Auth: services -> (social) platforms, typos, update egi email

authentication/index.md

@@ -1,17 +1,17 @@
 # Registration and Login (Authentication)
 
-To log in to the openEO platform or related services,
+To register for openEO platform,
 you usually do not need to pick a username and invent a new password. 
 Instead, we rely on the authentication service [EGI check-in](https://www.egi.eu/services/check-in/),
 provided by the [EGI Foundation](https://egi.eu). 
-It allows you to login through an **existing account** from either your institution,
-or other commonly used services such as Google, GitHub, Facebook or LinkedIn.
+It allows you to log in through an **existing account** from either your institution,
+or other commonly used (social) platforms such as Google, GitHub, Facebook or LinkedIn.
 
 ::: tip Some background on Security & Privacy
 This procedure has important advantages for our users:
 
 - Neither openEO platform nor the EGI Foundation see, handle or store your password.
-  That information is only exchanged directly with your institution or the selected service, 
+  That information is only exchanged directly with your institution or the selected (social) platforms, 
   to minimize the risk of leaking sensitive credentials.
 - openEO platform only retains minimal information about its users,
   such as an email address and a few more general attributes.
@@ -25,25 +25,25 @@ If you already have done this in the past, you can skip this step and
 continue with [joining openEO Platform](#join-openeo-platform).
 
 Otherwise, please go to <https://aai.egi.eu/signup> to become member of the *EGI User community*.
-Please select the institution (recommended) or service you want to login with in the future
+Please select the institution (recommended) or the (social) platform you want to log in with in the future
 and follow the login procedure.
 
 ::: warning Recommendation
 We recommend to use your institutional account whenever possible.
 Nevertheless, if you are the first member of your institution to work with EGI check-in, 
 problems may occur and sometimes require your institution's IT team to properly
 support EGI check-in through EduGain. For any question ragrding this procedure,
-please contact `support <at> egi.eu`.
+please contact `check-in <at> egi.eu`.
 :::
 
-If you didn't see the list of institutions, you are likely already logged in.
+If you didn't see the list of institutions and (social) platforms, you are likely already logged in.
 In this case you can simply select *'SIGN UP'*.
 
 Afterward, you will have to complete a small registration procedure to connect your account.
 You may have to fill any missing personal information: *Name*, *Email*, *Affiliation* and/or *Organisation*.
 
 You can find more information about the registration procedure in the [EGI Documentation](https://docs.egi.eu/users/check-in/signup/).
-If problems occur during this process, you will want to send a support request to `support <at> egi.eu`.
+If problems occur during this process, you will want to send a support request to `check-in <at> egi.eu`.
 
 ## Join openEO Platform
 
@@ -109,7 +109,7 @@ which should happen automatically (based on a common email address) if you follo
 Go to the [Terrascope portal](https://terrascope.be) to set up the Terrascope account,
 click the '*sign in*' menu item at the top, and pick the *'EduGAIN and social logins'* to log in.
 After a one time registration process you should have access to all Terrascope services
-using your institution or social media credentials.
+using your institution or (social) platform credentials.
 
 ## Working with openEO platform