clarify kitt onboarding guidelines

_partials/kitt.md

@@ -1,14 +1,8 @@
 ## Kitt
 
-:warning: If you have received an email from Le Wagon inviting you to sign up on Kitt (our learning platform), you can safely skip this step. Instead, please follow the instructions in the email you received if you haven't done so already.
-
-If you are unsure about what to do, you can follow [this link](https://kitt.lewagon.com/). If you are already logged in, you can safely skip this section. If you are not logged in, click on `Enter Kitt as a Student`. If you manage to login, you can safely skip this step. Otherwise ask a teacher whether you should have received an email or follow the instructions below.
-
-Register as a Wagon alumni by going to [kitt.lewagon.com/onboarding](http://kitt.lewagon.com/onboarding). Select your batch, sign in with GitHub and enter all your information.
-
-Your teacher will then validate that you are indeed part of the batch. You can ask them to do it as soon as you completed the registration form.
-
-Once the teacher has approved your profile, go to your email inbox. You should have 2 emails:
+You should have received an email from Le Wagon inviting you to sign up on [Kitt](https://kitt.lewagon.com) (our learning platform). When submitting your onboarding form on Kitt, you should have received two additional invitations:
 
 - One from Slack, inviting you to the Le Wagon Alumni slack community (where you'll chat with your buddies and all the previous alumni). Click on **Join** and fill the information.
 - One from GitHub, inviting you to `lewagon` team. **Accept it** otherwise you won't be able to access the lecture slides.
+
+If you haven't, please contact your teaching team.