diff --git a/wp-admin/nav-menus.php b/wp-admin/nav-menus.php
index f42f51e266..b5328c4b62 100644
--- a/wp-admin/nav-menus.php
+++ b/wp-admin/nav-menus.php
@@ -672,12 +672,14 @@ if ( is_nav_menu( $nav_menu_selected_id ) ) {
 }
 
 /**
+ * Adds a CSS class to display the max depth of the navigation menu.
+ *
  * @since 3.0.0
  *
- * @global int $_wp_nav_menu_max_depth
+ * @global int $_wp_nav_menu_max_depth Maximum depth of the navigation menu.
  *
- * @param string $classes
- * @return string
+ * @param string $classes Existing CSS classes for the body tag.
+ * @return string Modified CSS classes including the menu max depth class.
  */
 function wp_nav_menu_max_depth( $classes ) {
 	global $_wp_nav_menu_max_depth;
diff --git a/wp-admin/update-core.php b/wp-admin/update-core.php
index 513aa1498a..f1cd0c0a66 100644
--- a/wp-admin/update-core.php
+++ b/wp-admin/update-core.php
@@ -840,7 +840,7 @@ function list_translation_updates() {
  *
  * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
  *
- * @param bool $reinstall
+ * @param bool $reinstall Optional. Whether to reinstall WordPress. Default false.
  */
 function do_core_upgrade( $reinstall = false ) {
 	global $wp_filesystem;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 8c228582c2..d0ff3a9db7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.0-alpha-61519';
+$wp_version = '7.0-alpha-61520';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.