diff --git a/mozilla/browser/README.html b/mozilla/browser/README.html
index a8d444c0c22..a59888649fe 100644
--- a/mozilla/browser/README.html
+++ b/mozilla/browser/README.html
@@ -128,9 +128,9 @@
         ac_add_options --enable-optimize=-O2<br>
         ac_add_options --disable-ldap<br>
         ac_add_options --disable-mailnews<br>
-        ac_add_options --enable-extensions=default,-inspector,-irc,-venkman,-content-packs,-help<br>
+        ac_add_options --enable-extensions=cookie,wallet,xml-rpc,xmlextras,p3p,pref,transformiix,universalchardet,typeaheadfind,webservices<br>
         <br>
-        <b>Note: DO NOT USE --enable-optimize=-O2 on Windows. There are bugs.</b>
+        <b>Note: DO NOT USE --enable-optimize=-O2 on Windows. There are bugs.  Simply use --enable-optimize.</b>
        </code>
    <li>Pull from CVS and build as described in the <a href="http://www.mozilla.org/build/unix.html">Mozilla build instructions</a>.
    <li>Run the MozillaFirebird executable that is left in dist/bin</li>