--- a/hg.rst	Wed Jul 20 10:51:44 2011 +0300
+++ b/hg.rst	Wed Jul 20 10:52:38 2011 +0300
@@ -99,6 +99,12 @@
 
   $ hg conver --branchmap $branchmapfile oldrepo newrepo
 
+To convert non-ASCII names use UTF-8 coding for 'branchmap' file.
+
+When converted names with spaces only last space in 'branchmap' file treat as
+separator between old branch name and new, so new branch name can not contain
+spaces.
+
 * Join history of two repos.
 
   $ cat >filemap1.txt <<EOF