Update pluck.md

snippets/pluck.md

@@ -3,13 +3,12 @@ title: pluck
 tags: array,object,beginner
 ---
 
-Converts and array of objects into an array of values by returning only the value of the specified key.
+Converts and array of objects into an array of values corresponding to the specified `key`.
 
-- Use `Array.prototype.map()` to map the array of objects.
-- Use array-like notation to dynamically return the value, by key, from each object.
+- Use `Array.prototype.map()` to map the array of objects to the value of `key` for each one.
 
 ```js
-const pluck = (arr, key) => arr.map((i) => i[key]);
+const pluck = (arr, key) => arr.map(i => i[key]);
 ```
 
 ```js
@@ -19,5 +18,5 @@ const simpsons = [
   { name: 'marge', age: 34 },
   { name: 'bart', age: 10 },
 ];
-pluck(simpsons, 'age'); // '[8, 36, 34, 10]'
+pluck(simpsons, 'age'); // [8, 36, 34, 10]
 ```