diff --git a/wp-includes/post.php b/wp-includes/post.php
index 66b53de8cd..3ec68625a5 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -807,9 +807,9 @@ function get_extended( $post ) {
  *
  * @global WP_Post $post Global post object.
  *
- * @param int|WP_Post|null $post   Optional. Post ID or post object. `null`, `false`, `0` and other PHP falsey
- *                                 values return the current global post inside the loop. A numerically valid post
- *                                 ID that points to a non-existent post returns `null`. Defaults to global $post.
+ * @param int|WP_Post|null $post   Optional. Post ID or post object. `null`, `false`, `0` and other PHP falsey values
+ *                                 return the current global post inside the loop. A numerically valid post ID that
+ *                                 points to a non-existent post returns `null`. Defaults to global $post.
  * @param string           $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which
  *                                 correspond to a WP_Post object, an associative array, or a numeric array,
  *                                 respectively. Default OBJECT.
@@ -2175,8 +2175,7 @@ function is_post_publicly_viewable( $post = null ) {
  * @see WP_Query::parse_query()
  *
  * @param array $args {
- *     Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all
- *     available arguments.
+ *     Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all available arguments.
  *
  *     @type int        $numberposts      Total number of posts to retrieve. Is an alias of `$posts_per_page`
  *                                        in WP_Query. Accepts -1 for all. Default 5.
@@ -2388,7 +2387,7 @@ function unregister_post_meta( $post_type, $meta_key ) {
  *
  * @since 1.2.0
  *
- * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`.
  * @return array Post meta for the given post.
  */
 function get_post_custom( $post_id = 0 ) {
@@ -2407,7 +2406,7 @@ function get_post_custom( $post_id = 0 ) {
  *
  * @since 1.2.0
  *
- * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`.
  * @return array|void Array of the keys, if retrieved.
  */
 function get_post_custom_keys( $post_id = 0 ) {
@@ -2432,7 +2431,7 @@ function get_post_custom_keys( $post_id = 0 ) {
  * @since 1.2.0
  *
  * @param string $key     Optional. Meta field key. Default empty.
- * @param int    $post_id Optional. Post ID. Default is ID of the global $post.
+ * @param int    $post_id Optional. Post ID. Default is the ID of the global `$post`.
  * @return array|null Meta field values.
  */
 function get_post_custom_values( $key = '', $post_id = 0 ) {
@@ -2457,7 +2456,7 @@ function get_post_custom_values( $key = '', $post_id = 0 ) {
  *
  * @since 2.7.0
  *
- * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`.
  * @return bool Whether post is sticky.
  */
 function is_sticky( $post_id = 0 ) {
@@ -3340,8 +3339,8 @@ function _reset_front_page_settings_for_post( $post_id ) {
  *
  * @see wp_delete_post()
  *
- * @param int $post_id Optional. Post ID. Default is ID of the global $post
- *                     if EMPTY_TRASH_DAYS equals true.
+ * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`
+ *                     if `EMPTY_TRASH_DAYS` equals true.
  * @return WP_Post|false|null Post data on success, false or null on failure.
  */
 function wp_trash_post( $post_id = 0 ) {
@@ -3417,7 +3416,7 @@ function wp_trash_post( $post_id = 0 ) {
  * @since 5.6.0 An untrashed post is now returned to 'draft' status by default, except for
  *              attachments which are returned to their original 'inherit' status.
  *
- * @param int $post_id Optional. Post ID. Default is ID of the global `$post`.
+ * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`.
  * @return WP_Post|false|null Post data on success, false or null on failure.
  */
 function wp_untrash_post( $post_id = 0 ) {
@@ -6495,7 +6494,7 @@ function wp_get_attachment_caption( $post_id = 0 ) {
  *
  * @since 2.1.0
  *
- * @param int $post_id Optional. Attachment ID. Default 0.
+ * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
  * @return string|false Thumbnail file path on success, false on failure.
  */
 function wp_get_attachment_thumb_file( $post_id = 0 ) {
@@ -6535,7 +6534,7 @@ function wp_get_attachment_thumb_file( $post_id = 0 ) {
  *
  * @since 2.1.0
  *
- * @param int $post_id Optional. Attachment ID. Default 0.
+ * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
  * @return string|false Thumbnail URL on success, false on failure.
  */
 function wp_get_attachment_thumb_url( $post_id = 0 ) {
@@ -7399,7 +7398,7 @@ function _future_post_hook( $deprecated, $post ) {
  * @since 2.3.0
  * @access private
  *
- * @param int $post_id The ID in the database table of the post being published.
+ * @param int $post_id The ID of the post being published.
  */
 function _publish_post_hook( $post_id ) {
 	if ( defined( 'XMLRPC_REQUEST' ) ) {
@@ -7654,7 +7653,7 @@ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache
  * @since 4.5.0
  * @access private
  *
- * @param string $post_name Slug.
+ * @param string $post_name Post slug.
  * @param int    $post_ID   Optional. Post ID that should be ignored. Default 0.
  */
 function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID = 0 ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b6b5158c64..ac79bbcb86 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-51426';
+$wp_version = '5.9-alpha-51430';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.