updated README

README.md

@@ -115,6 +115,23 @@ For a given Authorization Configuration verify if the given password file can be
 
 ### Enable Debug Logs
 
+#### If you are on GoCD version 19.6 and above:
+
+Edit the file `wrapper-properties.conf` on your GoCD server and add the following options. The location of the `wrapper-properties.conf` can be found in the [installation documentation](https://docs.gocd.org/current/installation/installing_go_server.html) of the GoCD server.
+
+ ```properties
+# We recommend that you begin with the index `100` and increment the index for each system property
+wrapper.java.additional.100=-Dplugin.cd.go.authentication.passwordfile.log.level=debug
+```
+
+If you're running with GoCD server 19.6 and above on docker using one of the supported GoCD server images, set the environment variable `GOCD_SERVER_JVM_OPTIONS`:
+
+ ```shell
+docker run -e "GOCD_SERVER_JVM_OPTIONS=-Dplugin.cd.go.authentication.passwordfile.log.level=debug" ...
+```
+
+#### If you are on GoCD version 19.5 and lower:
+
 * On Linux:
 
     Enabling debug level logging can help you troubleshoot an issue with this plugin. To enable debug level logs, edit the file `/etc/default/go-server` (for Linux) to add: