diff --git a/FAQ.md b/FAQ.md
index 4bbcecc..58b7ec8 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -109,10 +109,9 @@ Usually the logs are collected during a long period of time span. Let's say each
     /logs/2015-01-04.log
 
 ## gRPC Ports
-gRPC can be derived from the `-port` number and adding 10000 on top of it. 
-`-port=8080` => gRPC Port: `18080`
+gRPC can be derived from the `-port` number and adding 10000 on top of it, i.g., `-port=8080` means gRPC port is `18080`.
 
-If you **must** have custom gRPC port, when `master`, `volume server` or `filer` starts, you can specify a custom gRPC port. Also, for all the other places referencing `master` and `filer`, you need to specify in this format
+If you **must** have custom gRPC ports, you can specify a custom gRPC port when `master`, `volume server` or `filer` starts. But for all the other places referencing `master` and `filer`, you need to specify in this format:
 ```
  <host>:<port>.<grpcPort>
 ```