diff --git a/client/src/pages/guide/english/javascript/es6/default-parameters/index.md b/client/src/pages/guide/english/javascript/es6/default-parameters/index.md
index da482fed8d..34c6a2933d 100644
--- a/client/src/pages/guide/english/javascript/es6/default-parameters/index.md
+++ b/client/src/pages/guide/english/javascript/es6/default-parameters/index.md
@@ -47,3 +47,9 @@ NotWorkingFunction(20, 30); // 50;
 ```
 
 Works fine.
+
+However, if you want to use the default first parameter, you can pass `undefined` as the first argument of the function call.
+
+```
+NotWorkingFunction(undefined, 30); // 40;
+```