diff --git a/wp-includes/class-wp-customize-manager.php b/wp-includes/class-wp-customize-manager.php
index b022c1cde8..e8e8454623 100644
--- a/wp-includes/class-wp-customize-manager.php
+++ b/wp-includes/class-wp-customize-manager.php
@@ -3899,25 +3899,12 @@ final class WP_Customize_Manager {
 	 * @since 3.4.0
 	 * @since 4.5.0 Return added WP_Customize_Section instance.
 	 *
-	 * @param WP_Customize_Section|string $id   Customize Section object, or Section ID.
-	 * @param array                     $args {
-	 *  Optional. Array of properties for the new Section object. Default empty array.
+	 * @see WP_Customize_Section::__construct()
 	 *
-	 *     @type int             $priority           Priority of the section, defining the display order
-	 *                                               of panels and sections. Default 160.
-	 *     @type string          $panel              The panel this section belongs to (if any).
-	 *                                               Default empty.
-	 *     @type string          $capability         Capability required for the section.
-	 *                                               Default 'edit_theme_options'
-	 *     @type string|string[] $theme_supports     Theme features required to support the section.
-	 *     @type string          $title              Title of the section to show in UI.
-	 *     @type string          $description        Description to show in the UI.
-	 *     @type string          $type               Type of the section.
-	 *     @type callable        $active_callback    Active callback.
-	 *     @type bool            $description_hidden Hide the description behind a help icon,
-	 *                                               instead of inline above the first control.
-	 *                                               Default false.
-	 * }
+	 * @param WP_Customize_Section|string $id   Customize Section object, or Section ID.
+	 * @param array                       $args Optional. Array of properties for the new Section object.
+	 *                                          See WP_Customize_Section::__construct() for information
+	 *                                          on accepted arguments. Default empty array.
 	 * @return WP_Customize_Section The instance of the section that was added.
 	 */
 	public function add_section( $id, $args = array() ) {
diff --git a/wp-includes/class-wp-customize-section.php b/wp-includes/class-wp-customize-section.php
index 97b1429c61..8a843f0fe6 100644
--- a/wp-includes/class-wp-customize-section.php
+++ b/wp-includes/class-wp-customize-section.php
@@ -150,7 +150,24 @@ class WP_Customize_Section {
 	 *
 	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
 	 * @param string               $id      A specific ID of the section.
-	 * @param array                $args    Section arguments.
+	 * @param array                $args    {
+	 *     Optional. Array of properties for the new Section object. Default empty array.
+	 *
+	 *     @type int             $priority           Priority of the section, defining the display order
+	 *                                               of panels and sections. Default 160.
+	 *     @type string          $panel              The panel this section belongs to (if any).
+	 *                                               Default empty.
+	 *     @type string          $capability         Capability required for the section.
+	 *                                               Default 'edit_theme_options'
+	 *     @type string|string[] $theme_supports     Theme features required to support the section.
+	 *     @type string          $title              Title of the section to show in UI.
+	 *     @type string          $description        Description to show in the UI.
+	 *     @type string          $type               Type of the section.
+	 *     @type callable        $active_callback    Active callback.
+	 *     @type bool            $description_hidden Hide the description behind a help icon,
+	 *                                               instead of inline above the first control.
+	 *                                               Default false.
+	 * }
 	 */
 	public function __construct( $manager, $id, $args = array() ) {
 		$keys = array_keys( get_object_vars( $this ) );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 22ffb12c2f..3d47fdb7df 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-beta3-47385';
+$wp_version = '5.4-beta3-47386';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.