Corrected service version number

README.md

@@ -239,10 +239,10 @@ This document is copyright by DK Hostmaster A/S and is licensed under the MIT Li
 
 ### Document History
 
-- 4.1 2021-0924
+- 4.1 2021-09-24
   - Added documentation for new error scenario for [create domain](#create_domain) for a registrar managed domain name, specifying other contacts than the registrant will result in an error `2306`
   - Added a description of possible challenge with auto matching user for [create contact](#create_contact), since ID-control can alter data as part of the validation
-  - This revision of the specification describes version 4.0.1 of the EPP service
+  - This revision of the specification describes version 4.0.2 of the EPP service
 
 - 4.0 2021-09-19
   - Introduction of support for registrar/registrant administration