diff --git a/wp-includes/capabilities.php b/wp-includes/capabilities.php
index 42ec2f1fcf..ae885f6fa0 100644
--- a/wp-includes/capabilities.php
+++ b/wp-includes/capabilities.php
@@ -82,12 +82,14 @@ class WP_Roles {
 	}
 
 	/**
-	 * Make private/protected methods readable for backwards compatibility
+	 * Make private/protected methods readable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @param array $arguments
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed|bool Return value of the callback, false otherwise.
 	 */
 	public function __call( $name, $arguments ) {
 		return call_user_func_array( array( $this, $name ), $arguments );