diff -r 361d83261d7a -r 5f4c42d4f2e8 tests/test-topic-tutorial.t
--- a/tests/test-topic-tutorial.t	Sat Sep 30 22:24:24 2017 +0100
+++ b/tests/test-topic-tutorial.t	Sat Sep 30 22:42:52 2017 +0100
@@ -703,7 +703,7 @@
 
   $ cat << EOF >> .hg/hgrc
   > [experimental]
-  > enforce-topic = yes
+  > topic-mode = enforce
   > EOF
 
 You can also use `hg config --edit` to update your mercurial configuration.
@@ -714,7 +714,7 @@
   $ echo sickle >> shopping
   $ hg commit -m 'Adding sickle'
   abort: no active topic
-  (set a current topic or use '--config experimental.enforce-topic=no' to commit without a topic)
+  (set a current topic or use '--config experimental.topic-mode=off' to commit without a topic)
   [255]
 
 Ok, let's clean this up and delve into multiple topics.