Update openid.md (#13568)

Linking the help article may prevent confusion regarding the creation of the necessary rule using auth0.
matrix-org · Aug 23, 2022 · bdfff9c · bdfff9c
1 parent ca3d19b
commit bdfff9c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/docs/openid.md b/docs/openid.md
@@ -174,7 +174,9 @@ oidc_providers:
 
 1. Create a regular web application for Synapse
 2. Set the Allowed Callback URLs to `[synapse public baseurl]/_synapse/client/oidc/callback`
-3. Add a rule to add the `preferred_username` claim.
+3. Add a rule with any name to add the `preferred_username` claim. 
+(See https://auth0.com/docs/customize/rules/create-rules for more information on how to create rules.)
+
    <details>
     <summary>Code sample</summary>