1 files changed, 3 insertions, 3 deletions
diff --git a/components/script/dom/webidls/DOMImplementation.webidl b/components/script/dom/webidls/DOMImplementation.webidl
index 8bedebe8a87..eb29cd3c018 100644
--- a/components/script/dom/webidls/DOMImplementation.webidl
+++ b/components/script/dom/webidls/DOMImplementation.webidl
@@ -17,9 +17,9 @@ interface DOMImplementation {
   DocumentType createDocumentType(DOMString qualifiedName, DOMString publicId,
                                   DOMString systemId);
   [NewObject, Throws]
-  Document createDocument(DOMString? namespace,
-                          [TreatNullAs=EmptyString] DOMString qualifiedName,
-                          optional DocumentType? doctype = null);
+  XMLDocument createDocument(DOMString? namespace,
+                             [TreatNullAs=EmptyString] DOMString qualifiedName,
+                             optional DocumentType? doctype = null);
   [NewObject]
   Document createHTMLDocument(optional DOMString title);