diff --git a/lib/mixins/template-stamp.js b/lib/mixins/template-stamp.js
index 57ec46b67b..e34e408995 100644
--- a/lib/mixins/template-stamp.js
+++ b/lib/mixins/template-stamp.js
@@ -209,7 +209,15 @@ export const TemplateStamp = dedupingMixin(
       return template._templateInfo;
     }
 
-    /** @nocollapse */
+    /**
+     * See docs for _parseTemplateNode.
+     *
+     * @param {!HTMLTemplateElement} template .
+     * @param {!TemplateInfo} templateInfo .
+     * @param {!NodeInfo} nodeInfo .
+     * @return {boolean} .
+     * @nocollapse
+     */
     static _parseTemplateContent(template, templateInfo, nodeInfo) {
       return this._parseTemplateNode(template.content, templateInfo, nodeInfo);
     }