diff --git a/components/script/dom/webidls/HTMLFormElement.webidl b/components/script/dom/webidls/HTMLFormElement.webidl
index f48726c343a..13ffbf4dfe8 100644
--- a/components/script/dom/webidls/HTMLFormElement.webidl
+++ b/components/script/dom/webidls/HTMLFormElement.webidl
@@ -29,7 +29,7 @@ interface HTMLFormElement : HTMLElement {
   [SameObject] readonly attribute HTMLFormControlsCollection elements;
   readonly attribute unsigned long length;
   getter Element? (unsigned long index);
-  //getter (RadioNodeList or Element) (DOMString name);
+  getter (RadioNodeList or Element) (DOMString name);
 
   void submit();
   [CEReactions]