diff --git a/README.md b/README.md
index 46b89c392..6c0dbf525 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,11 @@ libssl-dev on Debian/Ubuntu) and run:
 
     % make BUILD_TLS=yes
 
+To build with systemd support, you'll need systemd development libraries (such 
+as libsystemd-dev on Debian/Ubuntu or systemd-devel on CentOS) and run:
+
+    % make BUILD_WITH_SYSTEMD=yes USE_SYSTEMD=yes
+
 You can run a 32 bit Redis binary using:
 
     % make 32bit