lapdm: fix comment 'thinko' about which type of message is retransmitted

Change-Id: I6585fc9f7e5e9fb57fe65372d0a14d68a939b73a
diff --git a/lapdm/L1CTL_Test.ttcn b/lapdm/L1CTL_Test.ttcn
index 0e1a9b4..28bf25c 100644
--- a/lapdm/L1CTL_Test.ttcn
+++ b/lapdm/L1CTL_Test.ttcn
@@ -195,7 +195,7 @@
 	}
 
 	/* we test that a re-transmitted SABM with identical payload will result in the retransmission of a
-	  * SABM. This is required during the contention resolution procedure as specified in 8.4.1.4 */
+	  * UA. This is required during the contention resolution procedure as specified in 8.4.1.4 */
 	testcase TC_sabm_retransmit() runs on dummy_CT {
 		const octetstring payload := '00FEFEDEADBEEF'O;
 		f_init();