diff --git a/docs/my-website/docs/proxy/ui.md b/docs/my-website/docs/proxy/ui.md
index 85cb2eb9871..c6e7341c43e 100644
--- a/docs/my-website/docs/proxy/ui.md
+++ b/docs/my-website/docs/proxy/ui.md
@@ -180,6 +180,7 @@ GENERIC_USER_DISPLAY_NAME_ATTRIBUTE = "display_name"
 GENERIC_USER_FIRST_NAME_ATTRIBUTE = "first_name"
 GENERIC_USER_LAST_NAME_ATTRIBUTE = "last_name"
 GENERIC_USER_ROLE_ATTRIBUTE = "given_role"
+GENERIC_PROVIDER_ATTRIBUTE = "provider"
 GENERIC_CLIENT_STATE = "some-state" # if the provider needs a state parameter
 GENERIC_INCLUDE_CLIENT_ID = "false" # some providers enforce that the client_id is not in the body
 GENERIC_SCOPE = "openid profile email" # default scope openid is sometimes not enough to retrieve basic user info like first_name and last_name located in profile scope