--- a/tests/test-update-branches.t	Sun Mar 01 21:16:45 2020 -0500
+++ b/tests/test-update-branches.t	Mon Mar 02 15:34:51 2020 -0500
@@ -189,17 +189,17 @@
   parent=2
 
   $ revtest '-cC dirty linear'  dirty 1 2 -cC
-  abort: can only specify one of -C/--clean, -c/--check, or -m/--merge
+  abort: cannot specify both --clean and --check
   parent=1
   M foo
 
   $ revtest '-mc dirty linear'  dirty 1 2 -mc
-  abort: can only specify one of -C/--clean, -c/--check, or -m/--merge
+  abort: cannot specify both --check and --merge
   parent=1
   M foo
 
   $ revtest '-mC dirty linear'  dirty 1 2 -mC
-  abort: can only specify one of -C/--clean, -c/--check, or -m/--merge
+  abort: cannot specify both --clean and --merge
   parent=1
   M foo