msc: Fix typo in func description

Change-Id: I828fe1efbdd38b12ba29f9ac0141fc456ce3c7bf
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 7a54e17..48ed7bd 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -5432,7 +5432,7 @@
 	vc_conn.done;
 }
 
-/* Perform an MT CSDB call including LU */
+/* Perform an MT CSFB call including LU */
 private function f_mt_lu_and_csfb_call(charstring id, BSC_ConnHdlrPars pars, boolean bssmap_lu) runs on BSC_ConnHdlr {
 	f_init_handler(pars);