--- a/tests/test-stack-branch.t	Thu Apr 04 12:24:28 2019 +0200
+++ b/tests/test-stack-branch.t	Fri Apr 05 16:31:45 2019 +0200
@@ -105,7 +105,7 @@
   phases: 4 draft
 
 Case with some of the branch unstable
-------------------------------------
+-------------------------------------
 
   $ echo bbb > ddd
   $ hg commit --amend
@@ -217,7 +217,7 @@
   s1: c_c
   s0^ c_b (base)
 
-Case with multiple heads on the topic with unstability involved
+Case with multiple heads on the topic with instability involved
 ---------------------------------------------------------------
 
 We amend the message to make sure the display base pick the right changeset