diff --git a/wp-includes/rest-api/class-wp-rest-server.php b/wp-includes/rest-api/class-wp-rest-server.php
index 1a239a596b..05e10a9399 100644
--- a/wp-includes/rest-api/class-wp-rest-server.php
+++ b/wp-includes/rest-api/class-wp-rest-server.php
@@ -1064,6 +1064,12 @@ class WP_REST_Server {
 					if ( isset( $opts['default'] ) ) {
 						$arg_data['default'] = $opts['default'];
 					}
+					if ( isset( $opts['enum'] ) ) {
+						$arg_data['enum'] = $opts['enum'];
+					}
+					if ( isset( $opts['description'] ) ) {
+						$arg_data['description'] = $opts['description'];
+					}
 					$endpoint_data['args'][ $key ] = $arg_data;
 				}
 			}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e2377eb708..194f88b4c5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-beta4-35651';
+$wp_version = '4.4-beta4-35652';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.