diff --git a/lib/mixins/template-stamp.html b/lib/mixins/template-stamp.html
index 50cf1783dc..67031ceea4 100644
--- a/lib/mixins/template-stamp.html
+++ b/lib/mixins/template-stamp.html
@@ -154,6 +154,7 @@
        *         // corresponding to this metadata
        *         parentInfo: <reference to parent nodeInfo>,
        *         parentIndex: <integer index in parent's `childNodes` collection>
+       *         infoIndex: <integer index of this `nodeInfo` in `templateInfo.nodeInfoList`
        *       },
        *       ...
        *     ],