Issue #SB-22183 fix: adding discription to generate master token (#2149)

ansible/roles/stack-sunbird/templates/sunbird_discussions-mw-service.env

@@ -5,5 +5,5 @@ nodebb_api_slug={{discussionsmw_nodebb_api_slug | default('/discussions/api') }}
 # 1. Login to Nodebb (https://<domain-name>/discussions/login) as a Admin.
 # 2. go to admin panel.
 # 3. click on Plugins => Write API
-# 4. enter UID as 1 and click create token (Auth token).
+# 4. Under MASTER TOKENS section, click on create token button, It will generate a token.
 authorization_token={{ discussionsmw_nodebb_authorization_token }}