diff --git a/README.md b/README.md
index 7573a90f3d..c9725c0600 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 # Project ImmortalWrt
 
-ImmortalWrt is a fork of [OpenWrt](https://openwrt.org), with more packages ported, more device supported, better performance, and special optimizations for mainland China users.<br/>
+ImmortalWrt is a fork of [OpenWrt](https://openwrt.org), with more packages ported, more devices supported, better performance, and special optimizations for mainland China users.<br/>
 Compared the official one, we allow to use hacks or non-upstreamable patches / modifications to achieve our purpose. Source from anywhere.
 
 Default login address: http://192.168.1.1 or http://immortalwrt.lan, username: __root__, password: __password__.
@@ -24,12 +24,12 @@ To build your own firmware you need a GNU/Linux, BSD or MacOSX system (case sens
         sudo apt update -y
         sudo apt full-upgrade -y
         sudo apt install -y ack antlr3 asciidoc autoconf automake autopoint binutils bison build-essential \
-          bzip2 ccache cmake cpio curl device-tree-compiler ecj fastjar flex gawk gettext git git-core gperf haveged \
-          help2man intltool lib32gcc1 libc6-dev-i386 libelf-dev libglib2.0-dev libgmp3-dev libltdl-dev libmpc-dev \
-          libmpfr-dev libncurses5-dev libncurses5-dev libreadline-dev libssl-dev libtool libz-dev lrzsz mkisofs msmtp \
-          nano ninja-build p7zip p7zip-full patch pkgconf python2.7 python3 python3-pip python3-ply python-docutils \
-          qemu-utils re2c rsync scons squashfs-tools subversion swig texinfo uglifyjs upx-ucl unzip vim wget xmlto \
-          xxd zlib1g-dev
+          bzip2 ccache cmake cpio curl device-tree-compiler ecj fastjar flex gawk gettext gcc-multilib g++-multilib \
+          git git-core gperf haveged help2man intltool lib32gcc1 libc6-dev-i386 libelf-dev libglib2.0-dev libgmp3-dev \
+          libltdl-dev libmpc-dev libmpfr-dev libncurses5-dev libncurses5-dev libreadline-dev libssl-dev libtool libz-dev \
+          lrzsz mkisofs msmtp nano ninja-build p7zip p7zip-full patch pkgconf python2.7 python3 python3-pip python3-ply \
+          python-docutils qemu-utils re2c rsync scons squashfs-tools subversion swig texinfo uglifyjs upx-ucl unzip vim \
+          wget xmlto xxd zlib1g-dev
         ```
       </details>
     - Method 2: