diff --git a/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php b/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php
index 9844e19460..07d50cc7af 100644
--- a/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php
+++ b/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php
@@ -40,6 +40,7 @@ class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin {
 	}
 
 	/**
+	 * Bulk footer actions.
 	 */
 	public function bulk_footer() {
 		parent::bulk_footer();
diff --git a/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php b/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
index 94daa27131..7705423bff 100644
--- a/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
+++ b/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
@@ -40,6 +40,7 @@ class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
 	}
 
 	/**
+	 * Bulk footer actions.
 	 */
 	public function bulk_footer() {
 		parent::bulk_footer();
diff --git a/src/wp-admin/includes/class-bulk-upgrader-skin.php b/src/wp-admin/includes/class-bulk-upgrader-skin.php
index 89367c4cf8..384b4934c9 100644
--- a/src/wp-admin/includes/class-bulk-upgrader-skin.php
+++ b/src/wp-admin/includes/class-bulk-upgrader-skin.php
@@ -36,6 +36,7 @@ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
 	}
 
 	/**
+	 * To add strings.
 	 */
 	public function add_strings() {
 		$this->upgrader->strings['skin_upgrade_start'] = __( 'The update process is starting. This process may take a while on some hosts, so please be patient.' );
@@ -77,12 +78,14 @@ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
 	}
 
 	/**
+	 * Header actions.
 	 */
 	public function header() {
 		// Nothing, This will be displayed within a iframe.
 	}
 
 	/**
+	 * Footer actions.
 	 */
 	public function footer() {
 		// Nothing, This will be displayed within a iframe.
@@ -113,12 +116,14 @@ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
 	}
 
 	/**
+	 * Bulk header actions.
 	 */
 	public function bulk_header() {
 		$this->feedback( 'skin_upgrade_start' );
 	}
 
 	/**
+	 * Bulk footer actions.
 	 */
 	public function bulk_footer() {
 		$this->feedback( 'skin_upgrade_end' );
@@ -166,6 +171,7 @@ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
 	}
 
 	/**
+	 * Reset actions.
 	 */
 	public function reset() {
 		$this->in_loop = false;
@@ -173,6 +179,7 @@ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
 	}
 
 	/**
+	 * Flush output.
 	 */
 	public function flush_output() {
 		wp_ob_end_flush_all();
diff --git a/src/wp-admin/includes/class-language-pack-upgrader-skin.php b/src/wp-admin/includes/class-language-pack-upgrader-skin.php
index 57b0a1c376..c34991e731 100644
--- a/src/wp-admin/includes/class-language-pack-upgrader-skin.php
+++ b/src/wp-admin/includes/class-language-pack-upgrader-skin.php
@@ -41,6 +41,7 @@ class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
 	}
 
 	/**
+	 * Before content.
 	 */
 	public function before() {
 		$name = $this->upgrader->get_name_for_update( $this->language_update );
@@ -63,12 +64,14 @@ class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
 	}
 
 	/**
+	 * After content.
 	 */
 	public function after() {
 		echo '</div>';
 	}
 
 	/**
+	 * Bulk footer actions.
 	 */
 	public function bulk_footer() {
 		$this->decrement_update_count( 'translation' );
diff --git a/src/wp-admin/includes/class-wp-filesystem-base.php b/src/wp-admin/includes/class-wp-filesystem-base.php
index 646522b412..6976cfa7ef 100644
--- a/src/wp-admin/includes/class-wp-filesystem-base.php
+++ b/src/wp-admin/includes/class-wp-filesystem-base.php
@@ -43,6 +43,7 @@ class WP_Filesystem_Base {
 	public $errors = null;
 
 	/**
+	 * @var options.
 	 */
 	public $options = array();
 
diff --git a/src/wp-admin/includes/class-wp-links-list-table.php b/src/wp-admin/includes/class-wp-links-list-table.php
index 58ee4d6fff..f667d8c83c 100644
--- a/src/wp-admin/includes/class-wp-links-list-table.php
+++ b/src/wp-admin/includes/class-wp-links-list-table.php
@@ -75,6 +75,7 @@ class WP_Links_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		_e( 'No links found.' );
diff --git a/src/wp-admin/includes/class-wp-media-list-table.php b/src/wp-admin/includes/class-wp-media-list-table.php
index d425bccfbf..3760b8778b 100644
--- a/src/wp-admin/includes/class-wp-media-list-table.php
+++ b/src/wp-admin/includes/class-wp-media-list-table.php
@@ -250,6 +250,7 @@ class WP_Media_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		if ( $this->is_trash ) {
diff --git a/src/wp-admin/includes/class-wp-ms-sites-list-table.php b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
index b185664bd6..7f56be1e10 100644
--- a/src/wp-admin/includes/class-wp-ms-sites-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
@@ -202,6 +202,7 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		_e( 'No sites found.' );
diff --git a/src/wp-admin/includes/class-wp-ms-themes-list-table.php b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
index e87da5ca7a..28d7cee4bd 100644
--- a/src/wp-admin/includes/class-wp-ms-themes-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
@@ -313,6 +313,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		if ( $this->has_items ) {
@@ -494,6 +495,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * Display rows.
 	 */
 	public function display_rows() {
 		foreach ( $this->items as $theme ) {
diff --git a/src/wp-admin/includes/class-wp-ms-users-list-table.php b/src/wp-admin/includes/class-wp-ms-users-list-table.php
index 3494f8c871..80cfa0508c 100644
--- a/src/wp-admin/includes/class-wp-ms-users-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-users-list-table.php
@@ -121,6 +121,7 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		_e( 'No users found.' );
diff --git a/src/wp-admin/includes/class-wp-plugin-install-list-table.php b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
index c214cd333b..af6c59a76e 100644
--- a/src/wp-admin/includes/class-wp-plugin-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -287,6 +287,7 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		if ( isset( $this->error ) ) { ?>
diff --git a/src/wp-admin/includes/class-wp-posts-list-table.php b/src/wp-admin/includes/class-wp-posts-list-table.php
index 213ca201d9..f8e994bc99 100644
--- a/src/wp-admin/includes/class-wp-posts-list-table.php
+++ b/src/wp-admin/includes/class-wp-posts-list-table.php
@@ -217,6 +217,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		if ( isset( $_REQUEST['post_status'] ) && 'trash' === $_REQUEST['post_status'] ) {
diff --git a/src/wp-admin/includes/class-wp-terms-list-table.php b/src/wp-admin/includes/class-wp-terms-list-table.php
index 4823d29c9d..76604fc234 100644
--- a/src/wp-admin/includes/class-wp-terms-list-table.php
+++ b/src/wp-admin/includes/class-wp-terms-list-table.php
@@ -75,6 +75,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * Prepare items.
 	 */
 	public function prepare_items() {
 		$taxonomy = $this->screen->taxonomy;
@@ -156,6 +157,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		echo get_taxonomy( $this->screen->taxonomy )->labels->not_found;
@@ -219,6 +221,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * Display rows or placeholder.
 	 */
 	public function display_rows_or_placeholder() {
 		$taxonomy = $this->screen->taxonomy;
diff --git a/src/wp-admin/includes/class-wp-theme-install-list-table.php b/src/wp-admin/includes/class-wp-theme-install-list-table.php
index d9d80b3aa1..a1702d1b28 100644
--- a/src/wp-admin/includes/class-wp-theme-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-theme-install-list-table.php
@@ -171,6 +171,7 @@ class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		_e( 'No themes match your request.' );
@@ -228,6 +229,7 @@ class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
 	}
 
 	/**
+	 * Display rows.
 	 */
 	public function display_rows() {
 		$themes = $this->items;
diff --git a/src/wp-admin/includes/class-wp-themes-list-table.php b/src/wp-admin/includes/class-wp-themes-list-table.php
index 095267c06d..3973dcc0e1 100644
--- a/src/wp-admin/includes/class-wp-themes-list-table.php
+++ b/src/wp-admin/includes/class-wp-themes-list-table.php
@@ -47,6 +47,7 @@ class WP_Themes_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * Prepare items.
 	 */
 	public function prepare_items() {
 		$themes = wp_get_themes( array( 'allowed' => true ) );
@@ -87,6 +88,7 @@ class WP_Themes_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * No items.
 	 */
 	public function no_items() {
 		if ( $this->search_terms || $this->features ) {
@@ -178,6 +180,7 @@ class WP_Themes_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * Display rows or placeholder.
 	 */
 	public function display_rows_or_placeholder() {
 		if ( $this->has_items() ) {
@@ -190,6 +193,7 @@ class WP_Themes_List_Table extends WP_List_Table {
 	}
 
 	/**
+	 * Display rows.
 	 */
 	public function display_rows() {
 		$themes = $this->items;
diff --git a/src/wp-includes/customize/class-wp-customize-header-image-control.php b/src/wp-includes/customize/class-wp-customize-header-image-control.php
index 82c1714261..7c003783dd 100644
--- a/src/wp-includes/customize/class-wp-customize-header-image-control.php
+++ b/src/wp-includes/customize/class-wp-customize-header-image-control.php
@@ -65,6 +65,7 @@ class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
 	}
 
 	/**
+	 * To enqueue
 	 */
 	public function enqueue() {
 		wp_enqueue_media();
@@ -113,6 +114,7 @@ class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
 	}
 
 	/**
+	 * Print header image template.
 	 */
 	public function print_header_image_template() {
 		?>
@@ -184,6 +186,7 @@ class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
 	}
 
 	/**
+	 * Render content.
 	 */
 	public function render_content() {
 		$visibility = $this->get_current_image_src() ? '' : ' style="display:none" ';