diff --git a/services/frontend/pkg/config/config.go b/services/frontend/pkg/config/config.go
index 2b72f8f4be..1cb2d08489 100644
--- a/services/frontend/pkg/config/config.go
+++ b/services/frontend/pkg/config/config.go
@@ -155,6 +155,6 @@ type CBOXDriver struct {
 }
 
 type Checksums struct {
-	SupportedTypes      []string `yaml:"supported_types" env:"FRONTEND_CHECKSUMS_SUPPORTED_TYPES" desc:"Supported checksum types to be announced to the client. You can provide multiple types separated by blank or comma."`
-	PreferredUploadType string   `yaml:"preferred_upload_type" env:"FRONTEND_CHECKSUMS_PREFERRED_UPLOAD_TYPES" desc:"Preferred checksum types to be announced to the client for uploads (e.g. md5)"`
+	SupportedTypes      []string `yaml:"supported_types" env:"FRONTEND_CHECKSUMS_SUPPORTED_TYPES" desc:"Define the checksum types that indicate clients which hashes the server can use to verify upload integrity. You can provide multiple types separated by blank or comma. Supported types are 'sha1', 'md5' and 'adler32'."`
+	PreferredUploadType string   `yaml:"preferred_upload_type" env:"FRONTEND_CHECKSUMS_PREFERRED_UPLOAD_TYPES" desc:"The supported checksum type for uploads that indicate clients supporting multiple hash algorythms which one is preferred by the server. Must be one out of the defined list of SUPPORTED_TYPES."`
 }