diff --git a/Enabling-SSO-support-using-OpenId-Connect.md b/Enabling-SSO-support-using-OpenId-Connect.md
index dd436b3..10092f1 100644
--- a/Enabling-SSO-support-using-OpenId-Connect.md
+++ b/Enabling-SSO-support-using-OpenId-Connect.md
@@ -145,7 +145,7 @@ Server configuration should look like:
 - `SSO_CLIENT_ID`
 - `SSO_CLIENT_SECRET`
 
-:warning: The trailing `/` of the `SSO_AUTHORITY` means that when building the full URL for the configuration endpoint it will include a double `/`: `https://${domain}/application/o/${application_name}//.well-known/openid-configuration`. This can cause issues with some proxy.
+:warning: The trailing `/` of the `SSO_AUTHORITY` means that when building the full URL for the configuration endpoint (as defined in the [spec](https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfig)), it will include a double `/`: `https://${domain}/application/o/${application_name}//.well-known/openid-configuration`. This can cause issues with some proxy.
 
 ## Casdoor