diff --git a/2.0/docs/configs/config.md b/2.0/docs/configs/config.md
index e5e0ca3e..57f236b5 100644
--- a/2.0/docs/configs/config.md
+++ b/2.0/docs/configs/config.md
@@ -137,7 +137,7 @@ Please notice that `server.json`, and `production/server.json` both declare the
 
 ```swift
 // will load 0.0.0.0 or 127.0.0.1 based on above config
-let host = drop.config["server" "host"]?.string ?? "0.0.0.0"
+let host = drop.config["server", "host"]?.string ?? "0.0.0.0"
 // will load 9000, or environment variable port.
 let port = drop.config["server", "port"]?.int ?? 9000
 ```