update Facebook instructions to include the base OAuth URIs

diff --git a/content/docs/admin/third-party-auth.md b/content/docs/admin/third-party-auth.md
index cd9b1c9f678ffdd5cf6e6a31ef5c13d2827c5113..f86b0f8fe085f9d1bd413be11be42b4925c194cd 100644 (file)
--- a/content/docs/admin/third-party-auth.md
+++ b/content/docs/admin/third-party-auth.md
@@ -113,7 +113,9 @@ To create a Twitter application for signing in with you may require a phone numb
 3. In your new app select 'Add Product' on the left sidebar then choose 'Facebook Login' by clicking the 'Get Started' button. Select the 'Web' option if asked to choose a platform.
 4. Enter the your base BookStack url into the 'Site URL' box and save.
 5. On the left sidebar again go to 'Facebook Login' -> 'Settings'.
-6. Enter your base BookStack URL again into the 'Valid OAuth redirect URIs' input and save.
+6. Enter the following URLs under 'Valid OAuth Redirect URIs', changing `https://example.com` to your own domain where BookStack is hosted:
+    - `https://example.com/login/service/facebook/callback`
+    - `https://example.com/register/service/facebook/callback`
 7. Navigate back to the app 'Dashboard' in the sidebar to find your app id and secret. Add or set these to your `.env` file like so:
        ```bash
        # Replace the below (including '{}' braces) with your facebook APP_KEY and APP_SECRET