diff --git a/openbsc/tests/bsc-nat/bsc_nat_test.ok b/openbsc/tests/bsc-nat/bsc_nat_test.ok
index 2aff594..f8eee23 100644
--- a/openbsc/tests/bsc-nat/bsc_nat_test.ok
+++ b/openbsc/tests/bsc-nat/bsc_nat_test.ok
@@ -18,4 +18,7 @@
 Testing finding of a BSC Connection
 Testing rewriting MGCP messages.
 Testing MGCP response parsing.
+Testing SMSC rewriting.
+Attempting to only rewrite the HDR
+Attempting to change nothing.
 Testing execution completed.