diff --git a/device_simulator/README.md b/device_simulator/README.md
index 397ed51..957ff13 100644
--- a/device_simulator/README.md
+++ b/device_simulator/README.md
@@ -65,7 +65,7 @@
 The ultimate executable bal_server can be found under ~/grpc-c/build/examples/.libs/
 
 USAGE
-    ./bal_server test
+    ./bal_server "serverIP:port"
 
 CONTRIBUTING
      <TBD>