Merge pull request #291 from clairbarrass/main

Add links to Google Authenticator

docs/user-guide/connecting-totp.md

@@ -81,7 +81,7 @@ also need to set up your TBOT before you can log into Cirrus. We cover this next
 [Login to SAFE](https://safe.epcc.ed.ac.uk/). Then:
 
 1. Go to the Menu 'Login accounts' and select your Cirrus account.  Set MFA-token. A scanable QR code will be displayed.
-2. Install a suitable smart-phone app such as google-authenticator (android, ios) on your phone or mobile device, or use a cross-platform app such as [Authy](https://authy.com/) which works on Windows, MacOS, Linux, Android and ios.
+2. Install a suitable smart-phone app such as google-authenticator ([android](https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2), [ios](http://appstore.com/googleauthenticator)) on your phone or mobile device, or use a cross-platform app such as [Authy](https://authy.com/) which works on Windows, MacOS, Linux, Android and ios.
 3. Follow the app instructions to add a new account and scan the displayed QR code (or type in the dispayed 26 character key).
 4. Type the verification code generated by the app into the Verification code box.
 5. Click Set