diff --git a/wp-includes/class-walker-page.php b/wp-includes/class-walker-page.php
index fa55a2f610..f4667c57b4 100644
--- a/wp-includes/class-walker-page.php
+++ b/wp-includes/class-walker-page.php
@@ -82,11 +82,11 @@ class Walker_Page extends Walker {
 	 * @since 2.1.0
 	 * @access public
 	 *
-	 * @param string $output       Passed by reference. Used to append additional content.
+	 * @param string  $output       Used to append additional content. Passed by reference.
 	 * @param WP_Post $page         Page data object.
-	 * @param int    $depth        Depth of page. Used for padding.
-	 * @param array  $args         Optional arguments.
-	 * @param int    $current_page Page ID.
+	 * @param int     $depth        Optional. Depth of page. Used for padding. Default 0.
+	 * @param array   $args         Optional. Array of arguments. Default empty array.
+	 * @param int     $current_page Optional. Page ID. Default 0.
 	 */
 	public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) {
 		if ( $depth ) {
@@ -123,7 +123,7 @@ class Walker_Page extends Walker {
 		 * @see wp_list_pages()
 		 *
 		 * @param array   $css_class    An array of CSS classes to be applied
-		 *                             to each list item.
+		 *                              to each list item.
 		 * @param WP_Post $page         Page data object.
 		 * @param int     $depth        Depth of page, used for padding.
 		 * @param array   $args         An array of arguments.
@@ -169,10 +169,10 @@ class Walker_Page extends Walker {
 	 *
 	 * @see Walker::end_el()
 	 *
-	 * @param string $output Passed by reference. Used to append additional content.
-	 * @param WP_Post $page Page data object. Not used.
-	 * @param int    $depth Depth of page. Not Used.
-	 * @param array  $args
+	 * @param string  $output Used to append additional content. Passed by reference.
+	 * @param WP_Post $page   Page data object. Not used.
+	 * @param int     $depth  Optional. Depth of page. Default 0 (unused).
+	 * @param array   $args   Optional. Array of arguments. Default empty array.
 	 */
 	public function end_el( &$output, $page, $depth = 0, $args = array() ) {
 		$output .= "</li>\n";
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 0ba3847354..5cc8e6ed24 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-beta4-37056';
+$wp_version = '4.5-beta4-37057';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.