--- a/mercurial/commands.py	Thu Nov 03 17:31:14 2016 -0700
+++ b/mercurial/commands.py	Mon Oct 17 23:16:55 2016 +0200
@@ -3068,7 +3068,7 @@
 
         with repo.lock():
             n = repair.deleteobsmarkers(repo.obsstore, indices)
-            ui.write(_('deleted %i obsolescense markers\n') % n)
+            ui.write(_('deleted %i obsolescence markers\n') % n)
 
         return