--- a/README	Wed Dec 17 15:22:45 2008 +0100
+++ b/README	Sun Jun 07 18:51:53 2009 +0200
@@ -3,6 +3,12 @@
 keyword extension for Mercurial SCM
 ===================================
 
+[ standalone and backwards compatible version ]
+
+CAVEAT: Only use this version with Mercurial 0.9.2 to 1.0.2!
+With Mercurial > 1.0.2 use the extension included in the
+distribution.
+
 install
 -------