diff --git a/src/testdir/test89.in b/src/testdir/test89.in
index 4306edd..8e53c91 100644
--- a/src/testdir/test89.in
+++ b/src/testdir/test89.in
@@ -1,4 +1,6 @@
 Some tests for setting 'number' and 'relativenumber'
+This is not all that useful now that the options are no longer reset when
+setting the other.
 
 STARTTEST
 :so small.vim