diff --git a/README.md b/README.md
index be16736..3d18f96 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ wireguard:
    # ...
     environment:
       # ...
-      - SERVERURL=my.ddns.net #optional - For use with DDNS (Uncomment to use)
+      - WG_HOST=my.ddns.net #optional - For use with DDNS (Uncomment to use)
       # ...
  # ...
 ```