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--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # fritzbox-munin
 A collection of munin plugins to monitor your AVM FRITZ!Box router. The scripts have been developed using a FRITZ!Box 7362 SL running FRITZ!OS 06.30.
+If you are using the current versio of FRITZ!OS checkout the experimental fritzos6.5 branch.
  
 ## Introduction