diff --git a/wp-admin/about.php b/wp-admin/about.php
index 75d3635df9..5b65bd06d2 100644
--- a/wp-admin/about.php
+++ b/wp-admin/about.php
@@ -9,6 +9,7 @@
 /** WordPress Administration Bootstrap */
 require_once __DIR__ . '/admin.php';
 
+// Used in the HTML title tag.
 /* translators: Page title of the About WordPress page in the admin. */
 $title = _x( 'About', 'page title' );
 
diff --git a/wp-admin/admin.php b/wp-admin/admin.php
index 45849d6a17..d06890259e 100644
--- a/wp-admin/admin.php
+++ b/wp-admin/admin.php
@@ -334,9 +334,10 @@ if ( isset( $plugin_page ) ) {
 	 */
 	do_action( "load-importer-{$importer}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 
+	// Used in the HTML title tag.
+	$title        = __( 'Import' );
 	$parent_file  = 'tools.php';
 	$submenu_file = 'import.php';
-	$title        = __( 'Import' );
 
 	if ( ! isset( $_GET['noheader'] ) ) {
 		require_once ABSPATH . 'wp-admin/admin-header.php';
diff --git a/wp-admin/authorize-application.php b/wp-admin/authorize-application.php
index 0552aeadb2..1d56b47e7d 100644
--- a/wp-admin/authorize-application.php
+++ b/wp-admin/authorize-application.php
@@ -62,6 +62,7 @@ if ( isset( $_POST['action'] ) && 'authorize_application_password' === $_POST['a
 	}
 }
 
+// Used in the HTML title tag.
 $title = __( 'Authorize Application' );
 
 $app_name    = ! empty( $_REQUEST['app_name'] ) ? $_REQUEST['app_name'] : '';
diff --git a/wp-admin/comment.php b/wp-admin/comment.php
index f2b3c32f3f..4c09a6085e 100644
--- a/wp-admin/comment.php
+++ b/wp-admin/comment.php
@@ -53,6 +53,7 @@ if ( isset( $_REQUEST['c'] ) ) {
 switch ( $action ) {
 
 	case 'editcomment':
+		// Used in the HTML title tag.
 		$title = __( 'Edit Comment' );
 
 		get_current_screen()->add_help_tab(
@@ -96,6 +97,7 @@ switch ( $action ) {
 	case 'approve':
 	case 'trash':
 	case 'spam':
+		// Used in the HTML title tag.
 		$title = __( 'Moderate Comment' );
 
 		if ( ! $comment ) {
diff --git a/wp-admin/credits.php b/wp-admin/credits.php
index 460b722b76..65eb55792c 100644
--- a/wp-admin/credits.php
+++ b/wp-admin/credits.php
@@ -10,6 +10,7 @@
 require_once __DIR__ . '/admin.php';
 require_once __DIR__ . '/includes/credits.php';
 
+// Used in the HTML title tag.
 $title = __( 'Credits' );
 
 list( $display_version ) = explode( '-', get_bloginfo( 'version' ) );
diff --git a/wp-admin/edit-comments.php b/wp-admin/edit-comments.php
index 38f2bdd80b..f54d0abd8f 100644
--- a/wp-admin/edit-comments.php
+++ b/wp-admin/edit-comments.php
@@ -138,7 +138,9 @@ enqueue_comment_hotkeys_js();
 if ( $post_id ) {
 	$comments_count      = wp_count_comments( $post_id );
 	$draft_or_post_title = wp_html_excerpt( _draft_or_post_title( $post_id ), 50, '…' );
+
 	if ( $comments_count->moderated > 0 ) {
+		// Used in the HTML title tag.
 		$title = sprintf(
 			/* translators: 1: Comments count, 2: Post title. */
 			__( 'Comments (%1$s) on “%2$s”' ),
@@ -146,6 +148,7 @@ if ( $post_id ) {
 			$draft_or_post_title
 		);
 	} else {
+		// Used in the HTML title tag.
 		$title = sprintf(
 			/* translators: %s: Post title. */
 			__( 'Comments on “%s”' ),
@@ -154,13 +157,16 @@ if ( $post_id ) {
 	}
 } else {
 	$comments_count = wp_count_comments();
+
 	if ( $comments_count->moderated > 0 ) {
+		// Used in the HTML title tag.
 		$title = sprintf(
 			/* translators: %s: Comments count. */
 			__( 'Comments (%s)' ),
 			number_format_i18n( $comments_count->moderated )
 		);
 	} else {
+		// Used in the HTML title tag.
 		$title = __( 'Comments' );
 	}
 }
diff --git a/wp-admin/edit.php b/wp-admin/edit.php
index e05d3ce195..2b917b994d 100644
--- a/wp-admin/edit.php
+++ b/wp-admin/edit.php
@@ -232,6 +232,7 @@ if ( 'wp_block' === $post_type ) {
 	wp_enqueue_style( 'wp-list-reusable-blocks' );
 }
 
+// Used in the HTML title tag.
 $title = $post_type_object->labels->name;
 
 if ( 'post' === $post_type ) {
diff --git a/wp-admin/export.php b/wp-admin/export.php
index 51acc7ed3c..df7e94541f 100644
--- a/wp-admin/export.php
+++ b/wp-admin/export.php
@@ -15,6 +15,8 @@ if ( ! current_user_can( 'export' ) ) {
 
 /** Load WordPress export API */
 require_once ABSPATH . 'wp-admin/includes/export.php';
+
+// Used in the HTML title tag.
 $title = __( 'Export' );
 
 /**
diff --git a/wp-admin/freedoms.php b/wp-admin/freedoms.php
index be6fd6d65f..0a2d6ca241 100644
--- a/wp-admin/freedoms.php
+++ b/wp-admin/freedoms.php
@@ -15,6 +15,7 @@ if ( isset( $_GET['privacy-notice'] ) ) {
 	exit;
 }
 
+// Used in the HTML title tag.
 $title = __( 'Freedoms' );
 
 list( $display_version ) = explode( '-', get_bloginfo( 'version' ) );
diff --git a/wp-admin/import.php b/wp-admin/import.php
index e732c55b8f..fe911f86c9 100644
--- a/wp-admin/import.php
+++ b/wp-admin/import.php
@@ -15,6 +15,7 @@ if ( ! current_user_can( 'import' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to import content into this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title = __( 'Import' );
 
 get_current_screen()->add_help_tab(
diff --git a/wp-admin/index.php b/wp-admin/index.php
index 6c704cc2fe..4b4f149321 100644
--- a/wp-admin/index.php
+++ b/wp-admin/index.php
@@ -29,6 +29,7 @@ if ( wp_is_mobile() ) {
 	wp_enqueue_script( 'jquery-touch-punch' );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Dashboard' );
 $parent_file = 'index.php';
 
diff --git a/wp-admin/link-add.php b/wp-admin/link-add.php
index ab73d9b404..d8c98bb5c7 100644
--- a/wp-admin/link-add.php
+++ b/wp-admin/link-add.php
@@ -13,6 +13,7 @@ if ( ! current_user_can( 'manage_links' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to add links to this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Add New Link' );
 $parent_file = 'link-manager.php';
 
diff --git a/wp-admin/link-manager.php b/wp-admin/link-manager.php
index ff8dba12dc..47f0354776 100644
--- a/wp-admin/link-manager.php
+++ b/wp-admin/link-manager.php
@@ -46,6 +46,7 @@ if ( $doaction && isset( $_REQUEST['linkcheck'] ) ) {
 
 $wp_list_table->prepare_items();
 
+// Used in the HTML title tag.
 $title       = __( 'Links' );
 $this_file   = 'link-manager.php';
 $parent_file = $this_file;
diff --git a/wp-admin/link.php b/wp-admin/link.php
index 5494f9f15f..b978d87aab 100644
--- a/wp-admin/link.php
+++ b/wp-admin/link.php
@@ -108,6 +108,7 @@ switch ( $action ) {
 
 		$parent_file  = 'link-manager.php';
 		$submenu_file = 'link-manager.php';
+		// Used in the HTML title tag.
 		$title        = __( 'Edit Link' );
 
 		$link_id = (int) $_GET['link_id'];
diff --git a/wp-admin/media-new.php b/wp-admin/media-new.php
index 97426512a4..94fa50ff3d 100644
--- a/wp-admin/media-new.php
+++ b/wp-admin/media-new.php
@@ -39,6 +39,7 @@ if ( $_POST ) {
 	exit;
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Upload New Media' );
 $parent_file = 'upload.php';
 
diff --git a/wp-admin/media.php b/wp-admin/media.php
index da63f27ea0..fe2e9a8617 100644
--- a/wp-admin/media.php
+++ b/wp-admin/media.php
@@ -45,6 +45,7 @@ switch ( $action ) {
 
 		// No break.
 	case 'edit':
+		// Used in the HTML title tag.
 		$title = __( 'Edit Media' );
 
 		if ( empty( $errors ) ) {
diff --git a/wp-admin/ms-delete-site.php b/wp-admin/ms-delete-site.php
index c552f354f3..77246a4db7 100644
--- a/wp-admin/ms-delete-site.php
+++ b/wp-admin/ms-delete-site.php
@@ -35,8 +35,10 @@ if ( isset( $_GET['h'] ) && '' !== $_GET['h'] && false !== get_option( 'delete_b
 $blog = get_site();
 $user = wp_get_current_user();
 
+// Used in the HTML title tag.
 $title       = __( 'Delete Site' );
 $parent_file = 'tools.php';
+
 require_once ABSPATH . 'wp-admin/admin-header.php';
 
 echo '<div class="wrap">';
diff --git a/wp-admin/my-sites.php b/wp-admin/my-sites.php
index 02b373d9a4..bd6dca670b 100644
--- a/wp-admin/my-sites.php
+++ b/wp-admin/my-sites.php
@@ -34,6 +34,7 @@ if ( 'updateblogsettings' === $action && isset( $_POST['primary_blog'] ) ) {
 	}
 }
 
+// Used in the HTML title tag.
 $title       = __( 'My Sites' );
 $parent_file = 'index.php';
 
diff --git a/wp-admin/network.php b/wp-admin/network.php
index dd5ec30e0d..a358d0e980 100644
--- a/wp-admin/network.php
+++ b/wp-admin/network.php
@@ -49,9 +49,11 @@ if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALL
 }
 
 if ( is_network_admin() ) {
+	// Used in the HTML title tag.
 	$title       = __( 'Network Setup' );
 	$parent_file = 'settings.php';
 } else {
+	// Used in the HTML title tag.
 	$title       = __( 'Create a Network of WordPress Sites' );
 	$parent_file = 'tools.php';
 }
diff --git a/wp-admin/network/index.php b/wp-admin/network/index.php
index 352744430b..29363780a4 100644
--- a/wp-admin/network/index.php
+++ b/wp-admin/network/index.php
@@ -17,6 +17,7 @@ if ( ! current_user_can( 'manage_network' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Dashboard' );
 $parent_file = 'index.php';
 
diff --git a/wp-admin/network/settings.php b/wp-admin/network/settings.php
index edbac81b2e..fb19673e15 100644
--- a/wp-admin/network/settings.php
+++ b/wp-admin/network/settings.php
@@ -17,6 +17,7 @@ if ( ! current_user_can( 'manage_network_options' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Network Settings' );
 $parent_file = 'settings.php';
 
diff --git a/wp-admin/network/site-info.php b/wp-admin/network/site-info.php
index 8f7f782445..b99f35ab20 100644
--- a/wp-admin/network/site-info.php
+++ b/wp-admin/network/site-info.php
@@ -122,6 +122,7 @@ if ( isset( $_GET['update'] ) ) {
 	}
 }
 
+// Used in the HTML title tag.
 /* translators: %s: Site title. */
 $title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
 
diff --git a/wp-admin/network/site-new.php b/wp-admin/network/site-new.php
index 340e35c7bd..ff07c6ea9a 100644
--- a/wp-admin/network/site-new.php
+++ b/wp-admin/network/site-new.php
@@ -174,6 +174,7 @@ if ( isset( $_GET['update'] ) ) {
 	}
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Add New Site' );
 $parent_file = 'sites.php';
 
diff --git a/wp-admin/network/site-settings.php b/wp-admin/network/site-settings.php
index ca1ed3fbd6..b669a5103f 100644
--- a/wp-admin/network/site-settings.php
+++ b/wp-admin/network/site-settings.php
@@ -79,6 +79,7 @@ if ( isset( $_GET['update'] ) ) {
 	}
 }
 
+// Used in the HTML title tag.
 /* translators: %s: Site title. */
 $title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
 
diff --git a/wp-admin/network/site-themes.php b/wp-admin/network/site-themes.php
index 14807b54f5..55d9961045 100644
--- a/wp-admin/network/site-themes.php
+++ b/wp-admin/network/site-themes.php
@@ -166,6 +166,7 @@ if ( isset( $_GET['action'] ) && 'update-site' === $_GET['action'] ) {
 add_thickbox();
 add_screen_option( 'per_page' );
 
+// Used in the HTML title tag.
 /* translators: %s: Site title. */
 $title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
 
diff --git a/wp-admin/network/site-users.php b/wp-admin/network/site-users.php
index b2d3f638af..54d8f5bd35 100644
--- a/wp-admin/network/site-users.php
+++ b/wp-admin/network/site-users.php
@@ -195,6 +195,7 @@ if ( isset( $_GET['action'] ) && 'update-site' === $_GET['action'] ) {
 
 add_screen_option( 'per_page' );
 
+// Used in the HTML title tag.
 /* translators: %s: Site title. */
 $title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
 
diff --git a/wp-admin/network/sites.php b/wp-admin/network/sites.php
index bcbee04276..e51c60f814 100644
--- a/wp-admin/network/sites.php
+++ b/wp-admin/network/sites.php
@@ -17,6 +17,7 @@ if ( ! current_user_can( 'manage_sites' ) ) {
 $wp_list_table = _get_list_table( 'WP_MS_Sites_List_Table' );
 $pagenum       = $wp_list_table->get_pagenum();
 
+// Used in the HTML title tag.
 $title       = __( 'Sites' );
 $parent_file = 'sites.php';
 
diff --git a/wp-admin/network/themes.php b/wp-admin/network/themes.php
index ddb6b867f4..09c15001f5 100644
--- a/wp-admin/network/themes.php
+++ b/wp-admin/network/themes.php
@@ -81,6 +81,7 @@ if ( $action ) {
 				$themes = array();
 			}
 
+			// Used in the HTML title tag.
 			$title       = __( 'Update Themes' );
 			$parent_file = 'themes.php';
 
@@ -333,6 +334,7 @@ get_current_screen()->set_screen_reader_content(
 	)
 );
 
+// Used in the HTML title tag.
 $title       = __( 'Themes' );
 $parent_file = 'themes.php';
 
diff --git a/wp-admin/network/upgrade.php b/wp-admin/network/upgrade.php
index 8b0194e6ce..12b88fbe92 100644
--- a/wp-admin/network/upgrade.php
+++ b/wp-admin/network/upgrade.php
@@ -12,6 +12,7 @@ require_once __DIR__ . '/admin.php';
 
 require_once ABSPATH . WPINC . '/http.php';
 
+// Used in the HTML title tag.
 $title       = __( 'Upgrade Network' );
 $parent_file = 'upgrade.php';
 
diff --git a/wp-admin/network/user-new.php b/wp-admin/network/user-new.php
index 191e9bdda1..c881dff2ac 100644
--- a/wp-admin/network/user-new.php
+++ b/wp-admin/network/user-new.php
@@ -98,6 +98,7 @@ if ( isset( $_GET['update'] ) ) {
 	}
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Add New User' );
 $parent_file = 'users.php';
 
diff --git a/wp-admin/network/users.php b/wp-admin/network/users.php
index 915b0d0958..fd79a33bca 100644
--- a/wp-admin/network/users.php
+++ b/wp-admin/network/users.php
@@ -29,12 +29,17 @@ if ( isset( $_GET['action'] ) ) {
 			$id = (int) $_GET['id'];
 			if ( $id > 1 ) {
 				$_POST['allusers'] = array( $id ); // confirm_delete_users() can only handle arrays.
+
+				// Used in the HTML title tag.
 				$title             = __( 'Users' );
 				$parent_file       = 'users.php';
+
 				require_once ABSPATH . 'wp-admin/admin-header.php';
+
 				echo '<div class="wrap">';
 				confirm_delete_users( $_POST['allusers'] );
 				echo '</div>';
+
 				require_once ABSPATH . 'wp-admin/admin-footer.php';
 			} else {
 				wp_redirect( network_admin_url( 'users.php' ) );
@@ -59,12 +64,17 @@ if ( isset( $_GET['action'] ) ) {
 								if ( ! current_user_can( 'delete_users' ) ) {
 									wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
 								}
+
+								// Used in the HTML title tag.
 								$title       = __( 'Users' );
 								$parent_file = 'users.php';
+
 								require_once ABSPATH . 'wp-admin/admin-header.php';
+
 								echo '<div class="wrap">';
 								confirm_delete_users( $_POST['allusers'] );
 								echo '</div>';
+
 								require_once ABSPATH . 'wp-admin/admin-footer.php';
 								exit;
 
@@ -206,6 +216,8 @@ if ( $pagenum > $total_pages && $total_pages > 0 ) {
 	wp_redirect( add_query_arg( 'paged', $total_pages ) );
 	exit;
 }
+
+// Used in the HTML title tag.
 $title       = __( 'Users' );
 $parent_file = 'users.php';
 
diff --git a/wp-admin/options-discussion.php b/wp-admin/options-discussion.php
index dbe37e720b..0ee931c9b0 100644
--- a/wp-admin/options-discussion.php
+++ b/wp-admin/options-discussion.php
@@ -12,6 +12,7 @@ if ( ! current_user_can( 'manage_options' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Discussion Settings' );
 $parent_file = 'options-general.php';
 
diff --git a/wp-admin/options-general.php b/wp-admin/options-general.php
index aad04ced9b..dfc396f8d2 100644
--- a/wp-admin/options-general.php
+++ b/wp-admin/options-general.php
@@ -16,6 +16,7 @@ if ( ! current_user_can( 'manage_options' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'General Settings' );
 $parent_file = 'options-general.php';
 /* translators: Date and time format for exact current time, mainly about timezones, see https://www.php.net/manual/datetime.format.php */
diff --git a/wp-admin/options-media.php b/wp-admin/options-media.php
index 89e0baa67c..79f4389e88 100644
--- a/wp-admin/options-media.php
+++ b/wp-admin/options-media.php
@@ -13,6 +13,7 @@ if ( ! current_user_can( 'manage_options' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Media Settings' );
 $parent_file = 'options-general.php';
 
diff --git a/wp-admin/options-permalink.php b/wp-admin/options-permalink.php
index 52ee89c252..4275a4a2c6 100644
--- a/wp-admin/options-permalink.php
+++ b/wp-admin/options-permalink.php
@@ -13,6 +13,7 @@ if ( ! current_user_can( 'manage_options' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Permalink Settings' );
 $parent_file = 'options-general.php';
 
diff --git a/wp-admin/options-reading.php b/wp-admin/options-reading.php
index 2ec5ea1a21..250000a3d7 100644
--- a/wp-admin/options-reading.php
+++ b/wp-admin/options-reading.php
@@ -13,6 +13,7 @@ if ( ! current_user_can( 'manage_options' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Reading Settings' );
 $parent_file = 'options-general.php';
 
diff --git a/wp-admin/options-writing.php b/wp-admin/options-writing.php
index 5944124bce..e33c1df4f9 100644
--- a/wp-admin/options-writing.php
+++ b/wp-admin/options-writing.php
@@ -13,6 +13,7 @@ if ( ! current_user_can( 'manage_options' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Writing Settings' );
 $parent_file = 'options-general.php';
 
diff --git a/wp-admin/options.php b/wp-admin/options.php
index 049f15804a..019f9529c4 100644
--- a/wp-admin/options.php
+++ b/wp-admin/options.php
@@ -18,6 +18,7 @@
 /** WordPress Administration Bootstrap */
 require_once __DIR__ . '/admin.php';
 
+// Used in the HTML title tag.
 $title       = __( 'Settings' );
 $this_file   = 'options.php';
 $parent_file = 'options-general.php';
diff --git a/wp-admin/plugin-editor.php b/wp-admin/plugin-editor.php
index f333b34882..36dce7795d 100644
--- a/wp-admin/plugin-editor.php
+++ b/wp-admin/plugin-editor.php
@@ -18,6 +18,7 @@ if ( ! current_user_can( 'edit_plugins' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to edit plugins for this site.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Edit Plugins' );
 $parent_file = 'plugins.php';
 
diff --git a/wp-admin/plugin-install.php b/wp-admin/plugin-install.php
index 9c39d97ddb..0e01c44161 100644
--- a/wp-admin/plugin-install.php
+++ b/wp-admin/plugin-install.php
@@ -47,6 +47,7 @@ if ( $pagenum > $total_pages && $total_pages > 0 ) {
 	exit;
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Add Plugins' );
 $parent_file = 'plugins.php';
 
diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index 70abe322ed..373e1f8ad7 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -153,6 +153,7 @@ if ( $action ) {
 				$plugins = array();
 			}
 
+			// Used in the HTML title tag.
 			$title       = __( 'Update Plugins' );
 			$parent_file = 'plugins.php';
 
@@ -597,6 +598,7 @@ get_current_screen()->set_screen_reader_content(
 	)
 );
 
+// Used in the HTML title tag.
 $title       = __( 'Plugins' );
 $parent_file = 'plugins.php';
 
diff --git a/wp-admin/privacy.php b/wp-admin/privacy.php
index c377389ead..0eda132a9f 100644
--- a/wp-admin/privacy.php
+++ b/wp-admin/privacy.php
@@ -9,6 +9,7 @@
 /** WordPress Administration Bootstrap */
 require_once __DIR__ . '/admin.php';
 
+// Used in the HTML title tag.
 $title = __( 'Privacy' );
 
 list( $display_version ) = explode( '-', get_bloginfo( 'version' ) );
diff --git a/wp-admin/revision.php b/wp-admin/revision.php
index b77c7606b9..e63600b22c 100644
--- a/wp-admin/revision.php
+++ b/wp-admin/revision.php
@@ -108,6 +108,7 @@ switch ( $action ) {
 		/* translators: %s: Post title. */
 		$h1             = sprintf( __( 'Compare Revisions of &#8220;%s&#8221;' ), $post_title );
 		$return_to_post = '<a href="' . $post_edit_link . '">' . __( '&larr; Go to editor' ) . '</a>';
+		// Used in the HTML title tag.
 		$title          = __( 'Revisions' );
 
 		$redirect = false;
diff --git a/wp-admin/theme-editor.php b/wp-admin/theme-editor.php
index 18357c046a..572a2d82c4 100644
--- a/wp-admin/theme-editor.php
+++ b/wp-admin/theme-editor.php
@@ -18,6 +18,7 @@ if ( ! current_user_can( 'edit_themes' ) ) {
 	wp_die( '<p>' . __( 'Sorry, you are not allowed to edit templates for this site.' ) . '</p>' );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Edit Themes' );
 $parent_file = 'themes.php';
 
diff --git a/wp-admin/theme-install.php b/wp-admin/theme-install.php
index 4d377d831a..4f0ba2ad66 100644
--- a/wp-admin/theme-install.php
+++ b/wp-admin/theme-install.php
@@ -21,6 +21,7 @@ if ( is_multisite() && ! is_network_admin() ) {
 	exit;
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Add Themes' );
 $parent_file = 'themes.php';
 
diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index 2a230ee504..87b1b6db7a 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -123,6 +123,7 @@ if ( current_user_can( 'switch_themes' ) && isset( $_GET['action'] ) ) {
 	}
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Manage Themes' );
 $parent_file = 'themes.php';
 
diff --git a/wp-admin/tools.php b/wp-admin/tools.php
index d2c2061a0b..8095e4726b 100644
--- a/wp-admin/tools.php
+++ b/wp-admin/tools.php
@@ -39,6 +39,7 @@ if ( isset( $_GET['wp-privacy-policy-guide'] ) ) {
 /** WordPress Administration Bootstrap */
 require_once __DIR__ . '/admin.php';
 
+// Used in the HTML title tag.
 $title = __( 'Tools' );
 
 get_current_screen()->add_help_tab(
diff --git a/wp-admin/update-core.php b/wp-admin/update-core.php
index ae3924c9b2..6e23d66866 100644
--- a/wp-admin/update-core.php
+++ b/wp-admin/update-core.php
@@ -1136,6 +1136,7 @@ if ( 'upgrade-core' === $action ) {
 	$url = 'update.php?action=update-selected&plugins=' . urlencode( implode( ',', $plugins ) );
 	$url = wp_nonce_url( $url, 'bulk-update-plugins' );
 
+	// Used in the HTML title tag.
 	$title = __( 'Update Plugins' );
 
 	require_once ABSPATH . 'wp-admin/admin-header.php';
@@ -1176,6 +1177,7 @@ if ( 'upgrade-core' === $action ) {
 	$url = 'update.php?action=update-selected-themes&themes=' . urlencode( implode( ',', $themes ) );
 	$url = wp_nonce_url( $url, 'bulk-update-themes' );
 
+	// Used in the HTML title tag.
 	$title = __( 'Update Themes' );
 
 	require_once ABSPATH . 'wp-admin/admin-header.php';
diff --git a/wp-admin/update.php b/wp-admin/update.php
index 7980ea7a8b..a4a2abf8db 100644
--- a/wp-admin/update.php
+++ b/wp-admin/update.php
@@ -59,6 +59,7 @@ if ( isset( $_GET['action'] ) ) {
 
 		check_admin_referer( 'upgrade-plugin_' . $plugin );
 
+		// Used in the HTML title tag.
 		$title        = __( 'Update Plugin' );
 		$parent_file  = 'plugins.php';
 		$submenu_file = 'plugins.php';
@@ -123,9 +124,11 @@ if ( isset( $_GET['action'] ) ) {
 			wp_die( $api );
 		}
 
+		// Used in the HTML title tag.
 		$title        = __( 'Plugin Installation' );
 		$parent_file  = 'plugins.php';
 		$submenu_file = 'plugin-install.php';
+
 		require_once ABSPATH . 'wp-admin/admin-header.php';
 
 		/* translators: %s: Plugin name and version. */
@@ -153,9 +156,11 @@ if ( isset( $_GET['action'] ) ) {
 
 		$file_upload = new File_Upload_Upgrader( 'pluginzip', 'package' );
 
+		// Used in the HTML title tag.
 		$title        = __( 'Upload Plugin' );
 		$parent_file  = 'plugins.php';
 		$submenu_file = 'plugin-install.php';
+
 		require_once ABSPATH . 'wp-admin/admin-header.php';
 
 		/* translators: %s: File name. */
@@ -206,9 +211,11 @@ if ( isset( $_GET['action'] ) ) {
 
 		wp_enqueue_script( 'updates' );
 
+		// Used in the HTML title tag.
 		$title        = __( 'Update Theme' );
 		$parent_file  = 'themes.php';
 		$submenu_file = 'themes.php';
+
 		require_once ABSPATH . 'wp-admin/admin-header.php';
 
 		$nonce = 'upgrade-theme_' . $theme;
@@ -269,9 +276,11 @@ if ( isset( $_GET['action'] ) ) {
 			wp_die( $api );
 		}
 
+		// Used in the HTML title tag.
 		$title        = __( 'Install Themes' );
 		$parent_file  = 'themes.php';
 		$submenu_file = 'themes.php';
+
 		require_once ABSPATH . 'wp-admin/admin-header.php';
 
 		/* translators: %s: Theme name and version. */
@@ -295,6 +304,7 @@ if ( isset( $_GET['action'] ) ) {
 
 		$file_upload = new File_Upload_Upgrader( 'themezip', 'package' );
 
+		// Used in the HTML title tag.
 		$title        = __( 'Upload Theme' );
 		$parent_file  = 'themes.php';
 		$submenu_file = 'theme-install.php';
diff --git a/wp-admin/upload.php b/wp-admin/upload.php
index d1de3561ca..fe7c9fdf21 100644
--- a/wp-admin/upload.php
+++ b/wp-admin/upload.php
@@ -76,6 +76,7 @@ if ( 'grid' === $mode ) {
 		'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
 	);
 
+	// Used in the HTML title tag.
 	$title       = __( 'Media Library' );
 	$parent_file = 'upload.php';
 
@@ -215,6 +216,7 @@ if ( $doaction ) {
 
 $wp_list_table->prepare_items();
 
+// Used in the HTML title tag.
 $title       = __( 'Media Library' );
 $parent_file = 'upload.php';
 
diff --git a/wp-admin/user-edit.php b/wp-admin/user-edit.php
index 4e8f2520cc..0cd381caf2 100644
--- a/wp-admin/user-edit.php
+++ b/wp-admin/user-edit.php
@@ -32,8 +32,10 @@ if ( wp_is_application_passwords_available_for_user( $user_id ) ) {
 }
 
 if ( IS_PROFILE_PAGE ) {
+	// Used in the HTML title tag.
 	$title = __( 'Profile' );
 } else {
+	// Used in the HTML title tag.
 	/* translators: %s: User's display name. */
 	$title = __( 'Edit User %s' );
 }
diff --git a/wp-admin/user-new.php b/wp-admin/user-new.php
index 76195c3f63..26da6a0ec4 100644
--- a/wp-admin/user-new.php
+++ b/wp-admin/user-new.php
@@ -245,6 +245,7 @@ Please click the following link to confirm the invite:
 	}
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Add New User' );
 $parent_file = 'users.php';
 
diff --git a/wp-admin/users.php b/wp-admin/users.php
index 133015be3b..c3450dfd4b 100644
--- a/wp-admin/users.php
+++ b/wp-admin/users.php
@@ -20,8 +20,10 @@ if ( ! current_user_can( 'list_users' ) ) {
 
 $wp_list_table = _get_list_table( 'WP_Users_List_Table' );
 $pagenum       = $wp_list_table->get_pagenum();
-$title         = __( 'Users' );
-$parent_file   = 'users.php';
+
+// Used in the HTML title tag.
+$title       = __( 'Users' );
+$parent_file = 'users.php';
 
 add_screen_option( 'per_page' );
 
diff --git a/wp-admin/widgets.php b/wp-admin/widgets.php
index 88a58f59ba..100c62eb93 100644
--- a/wp-admin/widgets.php
+++ b/wp-admin/widgets.php
@@ -24,6 +24,7 @@ if ( ! current_theme_supports( 'widgets' ) ) {
 	wp_die( __( 'The theme you are currently using isn&#8217;t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="https://developer.wordpress.org/themes/functionality/widgets/">follow these instructions</a>.' ) );
 }
 
+// Used in the HTML title tag.
 $title       = __( 'Widgets' );
 $parent_file = 'themes.php';
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c5a2d5740e..254c43a08a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-51474';
+$wp_version = '5.9-alpha-51475';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.