diff --git a/Keycloak.md b/Keycloak.md
index 93137e7..b5082a9 100644
--- a/Keycloak.md
+++ b/Keycloak.md
@@ -1,4 +1,7 @@
-## OIDC Integration
+## NOTE: Is that preffered_username setting wrong? Correct settings should be for OIDC login:
+
+## sudo snap set wekan oauth2-username-map='email'
+## sudo snap set wekan oauth2-email-map='email'
 
 [Outstanding Bug](https://github.com/wekan/wekan/issues/1874#issuecomment-460802250): Create the first user (admin) with the regular process.  Then the remaining users can use the Register with OIDC process.