Update formatting

snippets/tail.md

@@ -7,7 +7,8 @@ lastUpdated: 2020-10-22T20:24:30+03:00
 
 Returns all elements in an array except for the first one.
 
-- Return `Array.prototype.slice(1)` if `Array.prototype.length` is more than `1`, otherwise, return the whole array.
+- Use `Array.prototype.slice()`to return the array without the first element if `Array.prototype.length` is more than `1`.
+- Otherwise, return the whole array.
 
 ```js
 const tail = arr => (arr.length > 1 ? arr.slice(1) : arr);