diff --git a/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php b/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php
index aa73286102276..0c98a729e43f9 100644
--- a/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php
+++ b/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php
@@ -339,8 +339,7 @@ protected function insert_attachment( $request ) {
 		 *
 		 * @since 4.7.0
 		 *
-		 * @param WP_Post         $attachment Inserted or updated attachment
-		 *                                    object.
+		 * @param WP_Post         $attachment Inserted or updated attachment object.
 		 * @param WP_REST_Request $request    The request sent to the API.
 		 * @param bool            $creating   True when creating an attachment, false when updating.
 		 */