diff --git a/wp-admin/includes/class-wp-list-table-compat.php b/wp-admin/includes/class-wp-list-table-compat.php
index eb9ea2cfe3..2a3a13871d 100644
--- a/wp-admin/includes/class-wp-list-table-compat.php
+++ b/wp-admin/includes/class-wp-list-table-compat.php
@@ -8,7 +8,7 @@
  */
 
 /**
- * Helper class to be used only by back compat functions
+ * Helper class to be used only by back compat functions.
  *
  * @since 3.1.0
  */
@@ -16,6 +16,15 @@ class _WP_List_Table_Compat extends WP_List_Table {
 	public $_screen;
 	public $_columns;
 
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string|WP_Screen $screen  The screen hook name or screen object.
+	 * @param string[]         $columns An array of columns with column IDs as the keys
+	 *                                  and translated column names as the values.
+	 */
 	public function __construct( $screen, $columns = array() ) {
 		if ( is_string( $screen ) ) {
 			$screen = convert_to_screen( $screen );
@@ -30,6 +39,10 @@ class _WP_List_Table_Compat extends WP_List_Table {
 	}
 
 	/**
+	 * Gets a list of all, hidden, and sortable columns.
+	 *
+	 * @since 3.1.0
+	 *
 	 * @return array
 	 */
 	protected function get_column_info() {
@@ -42,6 +55,10 @@ class _WP_List_Table_Compat extends WP_List_Table {
 	}
 
 	/**
+	 * Gets a list of columns.
+	 *
+	 * @since 3.1.0
+	 *
 	 * @return array
 	 */
 	public function get_columns() {
diff --git a/wp-admin/includes/class-wp-list-table.php b/wp-admin/includes/class-wp-list-table.php
index 0f0c26d087..e6dc3b6ebc 100644
--- a/wp-admin/includes/class-wp-list-table.php
+++ b/wp-admin/includes/class-wp-list-table.php
@@ -1094,7 +1094,7 @@ class WP_List_Table {
 	}
 
 	/**
-	 * Gets a list of all, hidden and sortable columns, with filter applied.
+	 * Gets a list of all, hidden, and sortable columns, with filter applied.
 	 *
 	 * @since 3.1.0
 	 *
diff --git a/wp-admin/includes/deprecated.php b/wp-admin/includes/deprecated.php
index 40e7ff0dcf..7caec42e54 100644
--- a/wp-admin/includes/deprecated.php
+++ b/wp-admin/includes/deprecated.php
@@ -981,7 +981,8 @@ function type_url_form_file() {
  * @deprecated 3.3.0 Use WP_Screen::add_help_tab()
  * @see WP_Screen::add_help_tab()
  *
- * @param string    $screen The handle for the screen to add help to. This is usually the hook name returned by the add_*_page() functions.
+ * @param string    $screen The handle for the screen to add help to. This is usually
+ *                          the hook name returned by the `add_*_page()` functions.
  * @param string    $help   The content of an 'Overview' help tab.
  */
 function add_contextual_help( $screen, $help ) {
diff --git a/wp-admin/includes/list-table.php b/wp-admin/includes/list-table.php
index b702a5089f..bc3b6a719c 100644
--- a/wp-admin/includes/list-table.php
+++ b/wp-admin/includes/list-table.php
@@ -71,9 +71,10 @@ function _get_list_table( $class, $args = array() ) {
  *
  * @since 2.7.0
  *
- * @param string   $screen  The handle for the screen to add help to. This is usually the hook name returned by the
- *                          add_*_page() functions.
- * @param string[] $columns An array of columns with column IDs as the keys and translated column names as the values.
+ * @param string    $screen The handle for the screen to register column headers for. This is
+ *                          usually the hook name returned by the `add_*_page()` functions.
+ * @param string[] $columns An array of columns with column IDs as the keys and translated
+ *                          column names as the values.
  */
 function register_column_headers( $screen, $columns ) {
 	new _WP_List_Table_Compat( $screen, $columns );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index ee8b5de3fd..0bdbc7c1b6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-beta4-49598';
+$wp_version = '5.6-beta4-49599';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.