diff --git a/core/modules/rest/rest.api.php b/core/modules/rest/rest.api.php
index 883a930..0e94098 100644
--- a/core/modules/rest/rest.api.php
+++ b/core/modules/rest/rest.api.php
@@ -11,9 +11,9 @@
  */
 
 /**
- * Alters the resource plugin definitions.
+ * Alter the resource plugin definitions.
  *
- * @param array &$definitions
+ * @param array $definitions
  *   The collection of resource definitions.
  */
 function hook_rest_resource_alter(&$definitions) {