diff -r d8a48234efad -r ecd47c63b6de README
--- a/README	Wed Jun 07 00:12:08 2017 +0100
+++ b/README	Wed Jun 07 00:48:12 2017 +0100
@@ -125,6 +125,7 @@
 -------------------
 
  - effect flag: fix a small bug related to hidden changeset,
+ - obshashrange: install a '.max-revs' option see extension help for details
 
 6.3.1 -- 2017-06-01
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