diff --git a/README.md b/README.md
index fb1661d839ae4b..fc8bb4ab32d316 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Installing Packages
 
 ```bash
 $ sudo apt-get update
-$ sudo apt-get install build-essential subversion libncurses5-dev zlib1g-dev gawk gcc-multilib flex git-core gettext libssl-dev
+$ sudo apt-get install build-essential subversion libncurses5-dev zlib1g-dev gawk gcc-multilib flex git-core gettext libssl-dev python python-pip
 ```
 
 Downloading Source
@@ -122,7 +122,7 @@ Please refer to other instructions for further operations. Such as flash the fir
 
 Compile firmware for NAND flash
 =====
-Applicable to GL-AR300M GL-AR750S GL-E750 GL-X1200 GL-X750
+Applicable to GL-AR300M GL-AR750S GL-E750 GL-X1200 GL-X750 GL-X300B
 
 Select target
 -------------
@@ -140,6 +140,16 @@ Please select options as following:
 
 	Target Profile (GL-AR300M NAND)  --->
 
+For X300B, please select options as following:
+
+	Target System (Atheros ATH79 (DTS))  --->
+
+	Subtarget (Generic devices with NAND flash)  --->
+
+	Target Profile (GL.iNet GL-X300B (NOR))  ---> (for standard 16MB version)
+
+	Target Profile (GL.iNet GL-X300B (NOR/NAND))  ---> (for customized 128MB version)
+
 Then select common software package (as you need),such as USB driver as following,
 
     GL.iNet packages choice shortcut  --->