diff --git a/README.md b/README.md
index 1d40908..997e232 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,9 @@
 
 Minimal Delegated License Service (DLS).
 
+This service can be used without internet connection.
+Only the clients need a connection to this service on configured port.
+
 ## Endpoints
 
 ### `GET /`