--- a/hgext3rd/evolve/__init__.py	Tue Jul 04 01:30:14 2017 +0530
+++ b/hgext3rd/evolve/__init__.py	Thu Jul 06 23:33:28 2017 +0200
@@ -96,6 +96,11 @@
     # ensuring no large repository will get affected.
     obshashrange.max-revs = 100000 # default is None
 
+The initial cache warming is currently a bit slow. To make sure it is build you
+can run the following commands in your repository::
+
+    $ hg debugobshashrange --rev 'head()
+
 Effect Flag Experiment
 ======================