asterisk: ims: Fix typo in log message

Change-Id: I707d117c90b92baf190be6ab506d3586fdb6f4ff
diff --git a/asterisk/IMS_ConnectionHandler.ttcn b/asterisk/IMS_ConnectionHandler.ttcn
index 674b281..8eb220d 100644
--- a/asterisk/IMS_ConnectionHandler.ttcn
+++ b/asterisk/IMS_ConnectionHandler.ttcn
@@ -490,7 +490,7 @@
 
 	if (not ispresent(g_rx_sip_req.msgHeader.p_preferred_service)) {
 		Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
-					log2str(g_name & ": Received no P-Access-Info vs exp := ",
+					log2str(g_name & ": Received no P-Preferred-Service vs exp := ",
 					expl_tmpl));
 	}
 	if (not match(g_rx_sip_req.msgHeader.p_preferred_service, expl_tmpl)) {