Issue #2532616 by TR: "return" used instead of "@return" in RoleInterface::isAdmin() docblock

core/modules/user/src/RoleInterface.php

@@ -78,9 +78,9 @@ public function isAdmin();
    * Sets the role to be an admin role.
    *
    * @param bool $is_admin
-   *   TRUE, if the role should be an admin role.
+   *   TRUE if the role should be an admin role.
    *
-   * return $this
+   * @return $this
    */
   public function setIsAdmin($is_admin);