diff --git a/README.md b/README.md
index ee2ae4a..2ae6399 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ Additional back-end code available is in the [crl-monitor ](https://github.com/a
 
 # Build instructions
 
+For Debian & Ubuntu
 ```
 apt install build-essential autoconf libssl-dev libpcap-dev
 ./autogen.sh