Index: src/wp-includes/widgets/class-wp-widget-text.php
===================================================================
--- src/wp-includes/widgets/class-wp-widget-text.php	(revision 34549)
+++ src/wp-includes/widgets/class-wp-widget-text.php	(working copy)
@@ -16,6 +16,12 @@
  */
 class WP_Widget_Text extends WP_Widget {
 
+	/**
+	 * PHP5 constructor.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 */
 	public function __construct() {
 		$widget_ops = array('classname' => 'widget_text', 'description' => __('Arbitrary text or HTML.'));
 		$control_ops = array('width' => 400, 'height' => 350);
@@ -61,9 +67,19 @@
 	}
 
 	/**
-	 * @param array $new_instance
-	 * @param array $old_instance
-	 * @return array
+	 * Updates a particular instance of a widget.
+	 *
+	 * This function should check that `$new_instance` is set correctly. The newly-calculated
+	 * value of `$instance` should be returned. If false is returned, the instance won't be
+	 * saved/updated.
+	 *
+	 * @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 Settings to save or bool false to cancel saving.
 	 */
 	public function update( $new_instance, $old_instance ) {
 		$instance = $old_instance;
@@ -77,7 +93,12 @@
 	}
 
 	/**
-	 * @param array $instance
+	 * Outputs the settings update form.
+	 *
+	 * @since 2.8.0
+	 * @access public
+	 *
+	 * @param array $instance Current settings.
 	 */
 	public function form( $instance ) {
 		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) );