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 70748442f428da1ec953557baf7da0e5aae849c8..2b0b727122368e40fb6434c75e816e85ccca3cb1 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
@@ -9,7 +9,7 @@
 |**oneM2M** **Technical** \                                      |
 |**Specification**                                               |     
 +:================+:=============================================+
-|Document Number  |oneM2M-TS-0019-V-4.2.0                        |
+|Document Number  |oneM2M-TS-0019-V-4_2_0          |
 +-----------------+----------------------------------------------+
 |Document Name:   |Abstract Test Suite and Implementation        |
 |                 |eXtra Information for Test                    |