diff --git a/Documentation/Getting-Started/Configuration-Guide.md b/Documentation/Getting-Started/Configuration-Guide.md
index da6e87ac3..a13f057f4 100644
--- a/Documentation/Getting-Started/Configuration-Guide.md
+++ b/Documentation/Getting-Started/Configuration-Guide.md
@@ -1359,7 +1359,8 @@ database server.
 #### `port`
 
 The port on which the database listens for incoming connections. MariaDB
-MaxScale will use this port to connect to the database server.
+MaxScale will use this port to connect to the database server. The default value
+is 3306.
 
 #### `protocol`