Update Readme.md

Readme.md

@@ -14,7 +14,7 @@ The easiest way to use AFLGo is as patch testing tool in OSS-Fuzz. Here is our i
 * https://github.com/aflgo/oss-fuzz
 
 # How to instrument a Binary with AFLGo
-1) Install <a href="https://llvm.org/docs/CMake.html" target="_blank">LLVM</a> with <a href="http://llvm.org/docs/GoldPlugin.html" target="_blank">Gold</a>-plugin.
+1) Install <a href="https://llvm.org/docs/CMake.html" target="_blank">LLVM</a> with <a href="http://llvm.org/docs/GoldPlugin.html" target="_blank">Gold</a>-plugin. You can also follow <a href="https://github.com/aflgo/oss-fuzz/blob/master/infra/base-images/base-clang/checkout_build_install_llvm.sh" target="_blank">these</a> instructions.
 2) Install other prerequisite
 ```bash
 sudo apt-get install python3