Change: Improve acceptance text

templates/reply_request_translator_approved.md

@@ -2,7 +2,7 @@ Good news, @$USER$, your request has been approved!
 You now have access to $REQUEST_VALUE$.
 
 If you are not a member of OpenTTD yet, you will receive an invitation shortly (or click [here](https://github.com/orgs/OpenTTD/invitation)).
-You will have to accept this invitation before your membership is updated.
+You will have to accept this invitation before proceeding.
 
-You can login to [eints](https://translator.openttd.org/language/$REQUEST_VALUE$) to start working on the translation.
+After accepting the invitation, you will be able to login to [eints](https://translator.openttd.org/language/$REQUEST_VALUE$) to start working on the translation.
 Feel free to talk to your fellow translators in your [Team](https://github.com/orgs/OpenTTD/teams/$REQUEST_VALUE$).