diff --git a/full/src/test/resources/kustvakt-test.conf b/full/src/test/resources/kustvakt-test.conf
index 99c295c..cc53e79 100644
--- a/full/src/test/resources/kustvakt-test.conf
+++ b/full/src/test/resources/kustvakt-test.conf
@@ -79,6 +79,7 @@
 security.jwt.issuer=https://korap.ids-mannheim.de
 
 ## JWK
+## must be set for openid
 rsa.private = kustvakt_rsa.key
 rsa.public = kustvakt_rsa_public.key
 rsa.key.id = 74caa3a9-217c-49e6-94e9-2368fdd02c35