Twenty Eleven: Document the $instance parameter in Ephemera widget …

…form.

Follow-up to [17669], [25625].

Props parthvataliya.
See #62183.

git-svn-id: https://develop.svn.wordpress.org/trunk@59200 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentyeleven/inc/widgets.php

@@ -186,6 +186,8 @@ public function flush_widget_cache() {
 	 * Displays the form for this widget on the Widgets page of the WP Admin area.
 	 *
 	 * @since Twenty Eleven 1.0
+	 *
+	 * @param array $instance The settings for the particular instance of the widget.
 	 */
 	public function form( $instance ) {
 		$title  = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';