diff --git a/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md b/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md
index 456a04e522815c9fa9b50ebf352e0fa05354a7a8..c825eb28dbfc9cdd3d2f6dfa386c25bebb9df25c 100644
--- a/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md
+++ b/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md
@@ -371,7 +371,7 @@ The Upper Tester Application in SUT can be implemented as an embedded source cod
 
 The upper tester triggering message is used to transport control commands between Test System and the Upper Tester Application. The control command will contain essential parameters that are required for certain test case.
 
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 The upper tester triggering message type maps to particular message formats for exchanging data and those message formats are defined by TTCN-3 primitive as shown at table 5.4.2.2.1-1, UtTrigger and UtTriggerAck primitive.