diff --git a/docs/totalcompute/tc2/user-guide.rst b/docs/totalcompute/tc2/user-guide.rst
index e5091cf4717e4cd88338b43e3c20cbb4dda56ce3..f06a0aa8dc7a294be0bcf2fb5ff11343f01faf26 100755
--- a/docs/totalcompute/tc2/user-guide.rst
+++ b/docs/totalcompute/tc2/user-guide.rst
@@ -43,7 +43,7 @@ To install the required packages, run:
 
 ::
 
-    sudo apt install -y chrpath gawk texinfo diffstat wget git unzip gcc-arm-linux-gnueabihf \
+    sudo apt install -y chrpath gawk texinfo diffstat wget git unzip \
     build-essential socat cpio python3 python3-pip python3-pexpect xz-utils debianutils \
     iputils-ping python3-git libegl1-mesa libsdl1.2-dev xterm git-lfs openssl \
     curl lib32ncurses5-dev libz-dev u-boot-tools m4 zip liblz4-tool zstd make \
@@ -54,7 +54,7 @@ For Ubuntu 18.04:
 ::
     sudo apt install pylint3 python-pip python
 
-For ubuntu 20.04 and higher:
+For ubuntu 20.04:
 ::
     sudo apt install pylint python