diff --git a/mozilla/embedding/browser/webBrowser/nsCWebBrowser.idl b/mozilla/embedding/browser/webBrowser/nsCWebBrowser.idl
index 5e813792f55..506e25cacae 100644
--- a/mozilla/embedding/browser/webBrowser/nsCWebBrowser.idl
+++ b/mozilla/embedding/browser/webBrowser/nsCWebBrowser.idl
@@ -21,6 +21,22 @@
  */
 
 #include "nsIWebBrowser.idl"
+#include "nsIWebBrowserNav.idl"
+#include "nsIProgress.idl"
+#include "nsIGenericWindow.idl"
+#include "nsIScrollable.idl"
+#include "nsITextScroll.idl"
+
+/*
+nsCWebBrowser implements:
+-------------------------
+nsIWebBrowser
+nsIWebBrowserNav
+nsIProgress
+nsIGenericWindow
+nsIScrollable
+nsITextScroll
+*/
 
 %{ C++
 //	{F1EAC761-87E9-11d3-AF80-00A024FFC08C} -