diff --git a/Docs/Setup_Stick.md b/Docs/Setup_Stick.md
index c7a0441..0018014 100644
--- a/Docs/Setup_Stick.md
+++ b/Docs/Setup_Stick.md
@@ -93,6 +93,10 @@ flash set GPON_SN HWTC00000000
 ```
 flash set ELAN_MAC_ADDR 000000111111
 ```
+### Note:
+1. GPON encapsulated into a GEM frame which doesn't contain any **MAC information** of PON port.
+2. GPON is Layer 3 transport and connection is transparent between your Router and ISP Gateway.
+3. If your internet is Bind MAC Address, then you need change Router WAN MAC Address.
 
 
 # OMCI Device Information