diff --git a/Getting-Started.md b/Getting-Started.md
index 47ce661..396061f 100644
--- a/Getting-Started.md
+++ b/Getting-Started.md
@@ -38,7 +38,7 @@ Usually you would need to specify the available disk space, the Weed Master loca
 ```bash
 ./weed volume -max=100 -mserver="localhost:9333" -dir="./data"
 ```
-If you are using a custom gRPC port for master, the address format for `mserver` is `<host>:<port>.<grpcPort>`.
+If you are using a custom gRPC port for master, the address format for `mserver` is `<host>:<port>.<grpcPort>`. By default the gRPC port is `port + 10000`.
 
 ### Cheat Sheet: Setup One Master Server and One Volume Server