note diffs for 2.0 and above


git-svn-id: https://svn.apache.org/repos/asf/httpd/docs-build/trunk@609990 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/README b/README
index 87393c0..9c7ff7f 100644
--- a/README
+++ b/README
@@ -1,3 +1,8 @@
-To completely rebuild the doccos, use:
+To completely rebuild the trunk/2.2 doccos, use:
 
       ./build.sh all convmap
+
+For 2.0, use:
+
+      ./build.sh all
+