Fix a Typo (#1070)

Fix a Typo

Author: lex111

1-js/05-data-types/05-array-methods/article.md

@@ -11,7 +11,7 @@ We already know methods that add and remove items from the beginning or the end:
 - `arr.shift()` -- extracts an item from the beginning,
 - `arr.unshift(...items)` -- adds items to the beginning.
 
-Here are few others.
+Here are a few others.
 
 ### splice