diff --git a/cmd/defaults.yaml b/cmd/defaults.yaml
index 5ce3e078b..75754aa29 100644
--- a/cmd/defaults.yaml
+++ b/cmd/defaults.yaml
@@ -535,7 +535,9 @@ OIDC:
       DashInterval: 4 # ZITADEL_OIDC_DEVICEAUTH_USERCODE_DASHINTERVAL
   DefaultLoginURLV2: "/ui/v2/login/login?authRequest=" # ZITADEL_OIDC_DEFAULTLOGINURLV2
   DefaultLogoutURLV2: "/ui/v2/login/logout?post_logout_redirect=" # ZITADEL_OIDC_DEFAULTLOGOUTURLV2
+  # Internal cache age for public keys to speed up validations (e.g. id_token_hints) on the authorization endpoint.
   PublicKeyCacheMaxAge: 24h # ZITADEL_OIDC_PUBLICKEYCACHEMAXAGE
+  # Lifetime of the token used to notify clients through OIDC back-channel logout when the feature is enabled and registered on the client.
   DefaultBackChannelLogoutLifetime: 15m # ZITADEL_OIDC_DEFAULTBACKCHANNELLOGOUTLIFETIME
 
 SAML: