diff --git a/services/frontend/pkg/config/config.go b/services/frontend/pkg/config/config.go
index a946409ca1..a1f1fda5ab 100644
--- a/services/frontend/pkg/config/config.go
+++ b/services/frontend/pkg/config/config.go
@@ -128,6 +128,6 @@ 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 (e.g. md5)"`
+	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)"`
 }
diff --git a/services/thumbnails/pkg/config/config.go b/services/thumbnails/pkg/config/config.go
index bf851e49a5..18518673e3 100644
--- a/services/thumbnails/pkg/config/config.go
+++ b/services/thumbnails/pkg/config/config.go
@@ -31,7 +31,7 @@ type FileSystemStorage struct {
 
 // Thumbnail defines the available thumbnail related configuration.
 type Thumbnail struct {
-	Resolutions         []string          `yaml:"resolutions" env:"THUMBNAILS_RESOLUTIONS" desc:"The supported target resolutions in the format WidthxHeight e.g. 32x32. You can provide multiple resolutions separated by a comma."`
+	Resolutions         []string          `yaml:"resolutions" env:"THUMBNAILS_RESOLUTIONS" desc:"The supported target resolutions in the format WidthxHeight e.g. 32x32. You can provide multiple resolutions separated by blank or comma."`
 	FileSystemStorage   FileSystemStorage `yaml:"filesystem_storage"`
 	WebdavAllowInsecure bool              `yaml:"webdav_allow_insecure" env:"OCIS_INSECURE;THUMBNAILS_WEBDAVSOURCE_INSECURE" desc:"Ignore untrusted SSL certificates when connecting to the webdav source."`
 	CS3AllowInsecure    bool              `yaml:"cs3_allow_insecure" env:"OCIS_INSECURE;THUMBNAILS_CS3SOURCE_INSECURE" desc:"Ignore untrusted SSL certificates when connecting to the CS3 source."`