diff --git a/src/wp-includes/class-walker-page-dropdown.php b/src/wp-includes/class-walker-page-dropdown.php
index 5954be9093..4c350cfc55 100644
--- a/src/wp-includes/class-walker-page-dropdown.php
+++ b/src/wp-includes/class-walker-page-dropdown.php
@@ -47,14 +47,14 @@ class Walker_PageDropdown extends Walker {
 	 *
 	 * @see Walker::start_el()
 	 *
-	 * @param string $output Passed by reference. Used to append additional content.
-	 * @param object $page   Page data object.
-	 * @param int    $depth  Optional. Depth of page in reference to parent pages. Used for padding.
-	 *                       Default 0.
-	 * @param array  $args   Optional. Uses 'selected' argument for selected page to set selected HTML
-	 *                       attribute for option element. Uses 'value_field' argument to fill "value"
-	 *                       attribute. See wp_dropdown_pages(). Default empty array.
-	 * @param int    $id     Optional. ID of the current page. Default 0 (unused).
+	 * @param string  $output Used to append additional content. Passed by reference.
+	 * @param WP_Post $page   Page data object.
+	 * @param int     $depth  Optional. Depth of page in reference to parent pages. Used for padding.
+	 *                        Default 0.
+	 * @param array   $args   Optional. Uses 'selected' argument for selected page to set selected HTML
+	 *                        attribute for option element. Uses 'value_field' argument to fill "value"
+	 *                        attribute. See wp_dropdown_pages(). Default empty array.
+	 * @param int     $id     Optional. ID of the current page. Default 0 (unused).
 	 */
 	public function start_el( &$output, $page, $depth = 0, $args = array(), $id = 0 ) {
 		$pad = str_repeat(' ', $depth * 3);