Cosmetic: fix various typos

Change-Id: Ia6a587d872b410059713f41d09ba082bac835a6b
diff --git a/library/S1AP_Emulation.ttcn b/library/S1AP_Emulation.ttcn
index d09b499..0ecbd99 100644
--- a/library/S1AP_Emulation.ttcn
+++ b/library/S1AP_Emulation.ttcn
@@ -485,7 +485,7 @@
 	inout S1APEM_register;
 } with { extension "internal" };
 
-/* Function that can be used as create_cb and will usse the expect table */
+/* Function that can be used as create_cb and will use the expect table */
 function ExpectedCreateCallback(S1AP_PDU msg, hexstring imsi, charstring id)
 runs on S1AP_Emulation_CT return S1AP_ConnHdlr {
 	var S1AP_ConnHdlr ret := null;