update docs

docs/20_Checks/check_gitlab_tokens.md

@@ -63,7 +63,7 @@ If you need to skip the token check but the check was rolled out on a server the
 ______________________________________________________________________
 
 CHECK_GITLAB_TOKENS
-v1.0
+v1.1
 
 (c) Institute for Medical Education - University of Bern
 Licence: GNU GPL 3
@@ -93,8 +93,16 @@ OPTIONS:
     -c VALUE       critical level (default: 10)
 
     -g FILE        path to GITLAB_CONFIG; default: /etc/icinga2/gitlab.cfg
-    -r FILE        path to REST client; default: ./../inc/rest-api-client.sh
-                   It overrides the variable REST_CLIENT.
+                   There you can set/ override:
+
+                     GITLAB_API='https://gitlab.example.com/api/v4'
+                     GITLAB_CONFIG=<TOKEN>
+                     REST_CLIENT="/opt/rest-api-client/rest-api-client.sh"
+
+    -r FILE        path to REST api client
+                   default: /opt/rest-api-client/rest-api-client.sh
+                   The parameter overrides the variable REST_CLIENT.
+
     -s DAYS        Number of days for max age of token; default: 395
 
 PARAMETERS: