[PATCH evolve-ext] split: fix wording of documentation for --rev option

[Nathan Goldbaum]

# HG changeset patch
# User Nathan Goldbaum <ngoldbau at ucsc.edu>
# Date 1455152089 21600
#      Wed Feb 10 18:54:49 2016 -0600
# Node ID 73f2588e90c4e8eec19434bb16c156625ddbe0ea
# Parent  99077dbb83e008fdf6485ff0edc0993a6769f2a0
split: fix wording of documentation for --rev option

diff -r 99077dbb83e0 -r 73f2588e90c4 hgext/evolve.py
--- a/hgext/evolve.py	Thu Feb 11 00:44:28 2016 +0000
+++ b/hgext/evolve.py	Wed Feb 10 18:54:49 2016 -0600
@@ -2709,7 +2709,7 @@ def commitwrapper(orig, ui, repo, *arg, 
         lockmod.release(tr, lock, wlock)
 
 @command('^split',
-    [('r', 'rev', [], _("revision to fold")),
+    [('r', 'rev', [], _("revision to split")),
     ] + commitopts + commitopts2,
     _('hg split [OPTION]... [-r] REV'))
 def cmdsplit(ui, repo, *revs, **opts):