--- a/mercurial/revset.py	Wed May 11 09:31:47 2016 +0200
+++ b/mercurial/revset.py	Wed May 11 09:34:59 2016 +0200
@@ -333,7 +333,7 @@
     # else case should not happen, because all non-func are internal,
     # ignoring for now.
     if x[0] == 'func' and x[1][0] == 'symbol' and x[1][1] in symbols:
-        repo.ui.deprecwarn('revset "%s" use list instead of smartset'
+        repo.ui.deprecwarn('revset "%s" uses list instead of smartset'
                            % x[1][1],
                            '3.9')
     return baseset(s)