diff --git a/stubs/ibis.php b/stubs/ibis.php
index 80d432e..a188a26 100644
--- a/stubs/ibis.php
+++ b/stubs/ibis.php
@@ -54,7 +54,12 @@
         [80, 85],
         [100, 103],
     ],
-
+	
+    /**
+     * default commonmark
+     */
+    'configure_commonmark' => [
+    ],
     /**
      * A notice printed at the final page of a generated sample.
      */