Unable to Access Online Context Help for TIBCO MDM 9.3.1 from TIBCO® Product and Service Catalog 5.1.0 UI

What should I do to access online context help for TIBCO MDM 9.3.1?
    Procedure
  1. Go to $MQ_HOME/config/
  2. Open the ConfigValues.xml file.
  3. Search for the term "Online help URL for MDM".
  4. Update the value of https://docs.tibco.com/go/mdm/9.3.1/ to https://docs.tibco.com/go/mdm/9.3.1/