--- a/hgext/evolve.py	Fri Nov 14 09:54:55 2014 +0000
+++ b/hgext/evolve.py	Tue Nov 18 20:27:53 2014 -0500
@@ -884,7 +884,7 @@
 def _installimportobsolete(ui):
     entry = cmdutil.findcmd('import', commands.table)[1]
     entry[1].append(('', 'obsolete', False,
-                    _('mark the old node as obsoleted by'
+                    _('mark the old node as obsoleted by '
                       'the created commit')))
 
 @eh.wrapfunction(mercurial.cmdutil, 'tryimportone')