diff --git a/services/sharing/pkg/config/config.go b/services/sharing/pkg/config/config.go
index 2d6c5dde70..fc285665c2 100644
--- a/services/sharing/pkg/config/config.go
+++ b/services/sharing/pkg/config/config.go
@@ -101,6 +101,7 @@ type UserSharingCS3Driver struct {
 	SystemUserAPIKey string `yaml:"system_user_api_key" env:"OCIS_SYSTEM_USER_API_KEY;SHARING_USER_CS3_SYSTEM_USER_API_KEY" desc:"API key for the STORAGE-SYSTEM system user."`
 }
 
+// UserSharingJSONCS3Driver holds the jsoncs3 driver config
 type UserSharingJSONCS3Driver struct {
 	ProviderAddr     string `yaml:"provider_addr" env:"SHARING_USER_CS3_PROVIDER_ADDR" desc:"GRPC address of the STORAGE-SYSTEM service."`
 	SystemUserID     string `yaml:"system_user_id" env:"OCIS_SYSTEM_USER_ID;SHARING_USER_CS3_SYSTEM_USER_ID" desc:"ID of the oCIS STORAGE-SYSTEM system user. Admins need to set the ID for the STORAGE-SYSTEM system user in this config option which is then used to reference the user. Any reasonable long string is possible, preferably this would be an UUIDv4 format."`