localrepo: fix comment on set

mercurial/localrepo.py

@@ -220,7 +220,7 b' class localrepository(repo.repository):'
     def set(self, expr, *args):
         '''
         Yield a context for each matching revision, after doing arg
-        replacement via formatrevspec
+        replacement via revset.formatspec
         '''
 
         expr = revset.formatspec(expr, *args)