diff --git a/mozilla/editor/ui/composer/content/EditorAppShell.xul b/mozilla/editor/ui/composer/content/EditorAppShell.xul
index 2d9081c5241..00eeeaeed52 100644
--- a/mozilla/editor/ui/composer/content/EditorAppShell.xul
+++ b/mozilla/editor/ui/composer/content/EditorAppShell.xul
@@ -457,7 +457,7 @@
   </menu>
 </popup>
 
-// Use these afer popup windows are working correctly:
+<!-- Use these afer popup windows are working correctly -->
 <popup id="FontFaceWindow">
    <window class="popup" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" width="40" height="40">
      <titledbutton value="Default Variable Width" onclick="opener.EditorSetFontFace(''); window.close();"/><html:br/>
diff --git a/mozilla/editor/ui/composer/content/TextEditorAppShell.xul b/mozilla/editor/ui/composer/content/TextEditorAppShell.xul
index c5846817b0e..581279c5eae 100644
--- a/mozilla/editor/ui/composer/content/TextEditorAppShell.xul
+++ b/mozilla/editor/ui/composer/content/TextEditorAppShell.xul
@@ -274,7 +274,7 @@
 </popup>
 
 
-//-- Bug? If any other popups placed after this, they don't get used
+<!-- Bug? If any other popups placed after this, they don't get used -->
 <popup id="FontFaceWindow">
    <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" width="40" height="40">
      <titledbutton value="Default Variable Width" onclick="opener.EditorSetFontFace(''); window.close();"/>
diff --git a/mozilla/suite/debugQA/content/debugQATextEditorShell.xul b/mozilla/suite/debugQA/content/debugQATextEditorShell.xul
index c5846817b0e..581279c5eae 100644
--- a/mozilla/suite/debugQA/content/debugQATextEditorShell.xul
+++ b/mozilla/suite/debugQA/content/debugQATextEditorShell.xul
@@ -274,7 +274,7 @@
 </popup>
 
 
-//-- Bug? If any other popups placed after this, they don't get used
+<!-- Bug? If any other popups placed after this, they don't get used -->
 <popup id="FontFaceWindow">
    <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" width="40" height="40">
      <titledbutton value="Default Variable Width" onclick="opener.EditorSetFontFace(''); window.close();"/>