closes #2572

1-js/05-data-types/09-keys-values-entries/article.md

@@ -99,4 +99,4 @@ let doublePrices = Object.fromEntries(
 alert(doublePrices.meat); // 8
 ```   
 
-It may look difficult from the first sight, but becomes easy to understand after you use it once or twice. We can make powerful chains of transforms this way. 
+It may look difficult at first sight, but becomes easy to understand after you use it once or twice. We can make powerful chains of transforms this way.