diff -r 099e0ca8285e -r de9089514833 tests/test-topic-stack-data.t
--- a/tests/test-topic-stack-data.t	Wed Apr 10 16:11:59 2019 +0200
+++ b/tests/test-topic-stack-data.t	Thu Apr 11 22:13:55 2019 +0200
@@ -61,7 +61,7 @@
   (see 'hg help topics' for more information)
   $ mkcommit baz_b
 
-A simple topic with unstability
+A simple topic with instability
 
   $ hg up 'desc(base_d)'
   1 files updated, 0 files merged, 2 files removed, 0 files unresolved
@@ -266,7 +266,7 @@
   ### target: default (branch)
   s5: add bar_c
   s2^ add bar_b (base)
-  s4$ add bar_e (unstable)
+  s4$ add bar_e (orphan)
   s3: bar1_d
   s2: add bar_b
   s1: add bar_a
@@ -276,7 +276,7 @@
   ### target: default (branch)
   s5(9cbadf11b44d): add bar_c
   s2(e555c7e8c767)^ add bar_b (base)
-  s4(a920412b5a05)$ add bar_e (unstable)
+  s4(a920412b5a05)$ add bar_e (orphan)
   s3(6915989374b1): bar1_d
   s2(e555c7e8c767): add bar_b
   s1(a5c2b4e00bbf): add bar_a
@@ -296,7 +296,7 @@
   $ hg stack fuz
   ### topic: fuz
   ### target: default (branch), 1 behind
-  s3$ add fuz_c (unstable)
-  s2$ add fuz_b (unstable)
+  s3$ add fuz_c (orphan)
+  s2$ add fuz_b (orphan)
   s1: fuz1_a
   s0^ add base_d (base)