diff --git a/xpfe/appshell/src/nsWebShellWindow.cpp b/xpfe/appshell/src/nsWebShellWindow.cpp
index b4cf0cabaff4..42201b37b444 100644
--- a/xpfe/appshell/src/nsWebShellWindow.cpp
+++ b/xpfe/appshell/src/nsWebShellWindow.cpp
@@ -1494,7 +1494,7 @@ nsWebShellWindow::AttributeChanged(nsIDocument *aDocument,
                                    PRInt32      aModType)
 {
   // XXX: Uh, none of this nsIDocumentObserver stuff is needed if the
-  // blow code isn't needed.
+  // below code isn't needed.
 #if 0
   //printf("AttributeChanged\n");
   PRInt32 i;