diff --git a/services/webdav/pkg/config/config.go b/services/webdav/pkg/config/config.go
index adfa5ae07..3edbb56fe 100644
--- a/services/webdav/pkg/config/config.go
+++ b/services/webdav/pkg/config/config.go
@@ -20,7 +20,7 @@ type Config struct {
 
 	HTTP HTTP `yaml:"http"`
 
-	DisablePreviews      bool            `yaml:"disablePreviews" env:"OCIS_DISABLE_PREVIEWS;WEBDAV_DISABLE_PREVIEWS" desc:"Set this option to 'true' to disable all preview related webdav paths."`
+	DisablePreviews      bool            `yaml:"disablePreviews" env:"OCIS_DISABLE_PREVIEWS;WEBDAV_DISABLE_PREVIEWS" desc:"Set this option to 'true' to disable rendering of thumbnails triggered via webdav access. Note that when disabled, all access to preview related webdav paths will return a 404."`
 	OcisPublicURL        string          `yaml:"ocis_public_url" env:"OCIS_URL;OCIS_PUBLIC_URL" desc:"URL, where oCIS is reachable for users."`
 	WebdavNamespace      string          `yaml:"webdav_namespace" env:"WEBDAV_WEBDAV_NAMESPACE" desc:"CS3 path layout to use when forwarding /webdav requests"`
 	RevaGateway          string          `yaml:"reva_gateway" env:"OCIS_REVA_GATEWAY;REVA_GATEWAY" desc:"CS3 gateway used to look up user metadata" deprecationVersion:"3.0" removalVersion:"4.0.0" deprecationInfo:"REVA_GATEWAY changing name for consistency" deprecationReplacement:"OCIS_REVA_GATEWAY"`