diff --git a/src/wp-includes/widgets/class-wp-widget-search.php b/src/wp-includes/widgets/class-wp-widget-search.php
index 522834eee4..29bbbf8a5d 100644
--- a/src/wp-includes/widgets/class-wp-widget-search.php
+++ b/src/wp-includes/widgets/class-wp-widget-search.php
@@ -16,14 +16,26 @@
  */
 class WP_Widget_Search extends WP_Widget {
 
+	/**
+	 * Sets up a new Search widget instance.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 */
 	public function __construct() {
 		$widget_ops = array('classname' => 'widget_search', 'description' => __( "A search form for your site.") );
 		parent::__construct( 'search', _x( 'Search', 'Search widget' ), $widget_ops );
 	}
 
 	/**
-	 * @param array $args
-	 * @param array $instance
+	 * Outputs the content for the current Search widget instance.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Search widget instance.
 	 */
 	public function widget( $args, $instance ) {
 		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
@@ -41,20 +53,31 @@ class WP_Widget_Search extends WP_Widget {
 	}
 
 	/**
-	 * @param array $instance
+	 * Outputs the settings form for the Search widget.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 *
+	 * @param array $instance Current settings.
 	 */
 	public function form( $instance ) {
 		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
 		$title = $instance['title'];
-?>
+		?>
 		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></label></p>
-<?php
+		<?php
 	}
 
 	/**
-	 * @param array $new_instance
-	 * @param array $old_instance
-	 * @return array
+	 * Handles updating settings for the current Search widget instance.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings.
 	 */
 	public function update( $new_instance, $old_instance ) {
 		$instance = $old_instance;