--- a/docs/obs-implementation.rst	Sat May 12 00:12:18 2012 +0200
+++ b/docs/obs-implementation.rst	Sat May 12 18:50:11 2012 +0200
@@ -71,9 +71,8 @@
 
 The file is store in `.hg/store/obsmarkers`. It is a binary files:
 
-We probably need a Format Version Number somewhere
+The files starts with a Format Version string
 
-I'll put it in `.hg/store/obsmarkers-version`
 
 Minimalistic proposal
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