diff --git a/suite/debugQA/content/debugQATextEditorShell.xul b/suite/debugQA/content/debugQATextEditorShell.xul
index 2494e9b231c..9eea54f0417 100644
--- a/suite/debugQA/content/debugQATextEditorShell.xul
+++ b/suite/debugQA/content/debugQATextEditorShell.xul
@@ -41,7 +41,7 @@
         onunload="EditorShutdown()"
         onclose="return EditorCanClose()"
         onfocus="EditorOnFocus()"
-        contenttitlesettting="true"
+        contenttitlesetting="true"
         title=""
         titlemodifier="&textEditorWindow.titlemodifier;"
         titlemenuseparator="&editorWindow.titlemodifiermenuseparator;"