diff --git a/1-js/04-object-basics/02-object-copy/article.md b/1-js/04-object-basics/02-object-copy/article.md
index 7fe8a26a..621d0961 100644
--- a/1-js/04-object-basics/02-object-copy/article.md
+++ b/1-js/04-object-basics/02-object-copy/article.md
@@ -136,7 +136,7 @@ We can also use the method [Object.assign](https://developer.mozilla.org/en-US/d
 The syntax is:
 
 ```js
-Object.assign(dest, [src1, src2, src3...])
+Object.assign(dest, src1[, src2, src3...])
 ```
 
 - The first argument `dest` is a target object.