printing da finger

Author: EddyVerbruggen

docs/AUTHENTICATION.md

@@ -401,7 +401,7 @@ Note that changing a password may fail if your login for this `email` was too lo
 * Don't forget to enable Phone login in your firebase instance.
 * You can only test this on a real device (not on an emulator/simulator).
 * Use the phone number of the device you're testing on.
-* _ANDROID:_ [Make sure you've uploaded your SHA1 fingerprint(s)](https://developers.google.com/android/guides/client-auth) to the Firebase console, then download the latest `google-services.json` file and add it to `app/App_Resources/Android`.
+* _ANDROID:_ [Make sure you've uploaded your SHA1 fingerprints](https://developers.google.com/android/guides/client-auth) to the Firebase console, then download the latest `google-services.json` file and add it to `app/App_Resources/Android`.
 * _iOS:_ Make sure you have messaging enabled as well, as this uses push notifications on iOS.
 
 ```js
@@ -517,9 +517,9 @@ Upon successful authentication, Facebook creates an access token that can be obt
 
 First, enable Google Sign-In in your firebase instance and add the _Web SDK configuration_.
 
-Make sure you've uploaded your SHA1 fingerprint(s)](https://developers.google.com/android/guides/client-auth) to the Firebase console, then download the latest `google-services.json` file and add it to `app/App_Resources/Android`.
+Make sure you've uploaded your [SHA1 fingerprints](https://developers.google.com/android/guides/client-auth) to the Firebase console, then download the latest `google-services.json` file and add it to `app/App_Resources/Android`.
 
-<h3> Uploading your SHA1 fingerprint is required for _debug_ and _release_ builds. </h3>
+> **Uploading your SHA1 fingerprint is required for _debug_ and _release_ builds.**
 
 Then add the following lines to your code and check for setup instructions for your platform below.