diff --git a/FAQ.md b/FAQ.md
index 58b7ec8..bc7040c 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -111,7 +111,7 @@ Usually the logs are collected during a long period of time span. Let's say each
 ## gRPC Ports
 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 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:
+If you **must** have custom gRPC ports, you can specify a custom gRPC port when `master`, `volume server` or `filer` starts. And for all the other places referencing `master` and `filer`, you also need to specify in this format:
 ```
  <host>:<port>.<grpcPort>
 ```
@@ -125,9 +125,11 @@ For example:
 ```
 
 ## Support ipv6?
+
 Yes. A common error is when binding a link-scoped ipv6 address without a proper scope. This will cause `connect: invalid argument`.
 
-e.g.
+Note that the `-ip` and `-ip.bind` have different format, e.g.:
+
 ```
 # invalid
 -ip="[fe80::4c3:3cff:fe4f:7e0b]" -ip.bind="[fe80::4c3:3cff:fe4f:7e0b]"