diff --git a/lib/compat/wordpress-5.9/class-gutenberg-rest-templates-controller.php b/lib/compat/wordpress-5.9/class-gutenberg-rest-templates-controller.php
index 558c7068196d2..e35214bbca1ec 100644
--- a/lib/compat/wordpress-5.9/class-gutenberg-rest-templates-controller.php
+++ b/lib/compat/wordpress-5.9/class-gutenberg-rest-templates-controller.php
@@ -395,7 +395,7 @@ protected function prepare_item_for_database( $request ) {
 				if ( ! $user_obj ) {
 					return new WP_Error(
 						'rest_invalid_author',
-						__( 'Invalid author ID.' ),
+						__( 'Invalid author ID.', 'gutenberg' ),
 						array( 'status' => 400 )
 					);
 				}
@@ -607,7 +607,7 @@ public function get_item_schema() {
 					'readonly'    => true,
 				),
 				'author'         => array(
-					'description' => __( 'The ID for the author of the template.' ),
+					'description' => __( 'The ID for the author of the template.', 'gutenberg' ),
 					'type'        => 'integer',
 					'context'     => array( 'view', 'edit', 'embed' ),
 				),