diff --git a/1-js/05-data-types/04-array/article.md b/1-js/05-data-types/04-array/article.md
index 86ba2d34..8e41d07a 100644
--- a/1-js/05-data-types/04-array/article.md
+++ b/1-js/05-data-types/04-array/article.md
@@ -429,7 +429,7 @@ alert( "1" + 1 ); // "11"
 alert( "1,2" + 1 ); // "1,21"
 ```
 
-## Dont compare arrays with ==
+## Don't compare arrays with ==
 
 Arrays in JavaScript, unlike some other programming languages, shouldn't be compared with operator `==`.