diff --git a/packages/auth/README.md b/packages/auth/README.md
index 8da3f09ced78fba395f94221a2599cc7f40bd46e..a08cebfb71e0b5dd244d56d2b6832e10ece4370b 100644
--- a/packages/auth/README.md
+++ b/packages/auth/README.md
@@ -46,6 +46,7 @@ for more explanation.
 - `client-id` (required): The Keycloak client to use
 - `silent-check-sso-redirect-uri` (optional): URI or path to a separate page for checking the login session in an iframe, see https://www.keycloak.org/docs/latest/securing_apps/#_javascript_adapter
 - `scope` (optional): Space separated list of scopes to request. These scopes get added in addition to the default ones, assuming the scope is in the optional scopes list of the Keycloak client in use.
+- `idp-hint` (optional): Set a client suggested identity provider
 
 ### Emitted attributes