diff --git a/README.md b/README.md
index 5091965..ca7536d 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,12 @@ instance for getting metrics.
 
 ## Build from source (Linux)
 
+### Prerequirements
 1. [Install cargo](https://doc.rust-lang.org/cargo/getting-started/installation.html)
+2. Install x86_64-unknown-linux-musl:  `rustup target add x86_64-unknown-linux-musl`
 
+
+### Build
 ```
 make
 ```