diff -r 783a74c60a5e -r 0af6bb0bfdc3 README
--- a/README	Thu May 18 11:29:27 2017 +0200
+++ b/README	Thu May 18 16:59:25 2017 +0200
@@ -121,7 +121,8 @@
    markers without changesets
  - obshashrange-cache: update incrementally in the (common) case of a
    transaction not affecting existing range,
- - obshashrange-cache: keep the cache mostly warm after each transaction.
+ - obshashrange-cache: keep the cache mostly warm after each transaction,
+ - blackbox: log more information about discovery and cache computation.
 
 6.1.1 - in progress
 -------------------