--- a/mercurial/revlog.py	Mon Nov 26 15:53:34 2018 -0500
+++ b/mercurial/revlog.py	Mon Nov 26 00:08:11 2018 +0100
@@ -768,7 +768,7 @@
         return chain, stopped
 
     def ancestors(self, revs, stoprev=0, inclusive=False):
-        """Generate the ancestors of 'revs' in reverse topological order.
+        """Generate the ancestors of 'revs' in reverse revision order.
         Does not generate revs lower than stoprev.
 
         See the documentation for ancestor.lazyancestors for more details."""