diff --git a/README.md b/README.md
index 4044d04..bdbd294 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,10 @@
 # Haproxy
 
-Haproxy configuration files for my self-hosted setup.
\ No newline at end of file
+Haproxy configuration files for my self-hosted setup.
+
+`/etc/systemd/system/haproxy.service.d/override.conf`:
+
+```HAProxy
+[Service]
+Environment="CONFIG=/etc/haproxy/config"
+```