diff --git a/snippets/pull.md b/snippets/array-pull-(mutates-array).md
similarity index 62%
rename from snippets/pull.md
rename to snippets/array-pull-(mutates-array).md
index 2507270be..9b91c2c17 100644
--- a/snippets/pull.md
+++ b/snippets/array-pull-(mutates-array).md
@@ -1,4 +1,4 @@
-### Pull
+### Array pull (mutates array)
 
 Use `Array.filter()` to pull out the values that are not needed. 
 Use `Array.length = 0` to mutate the passed in array by resetting it's length to zero.
@@ -6,16 +6,10 @@ Use `Array.push()` to re-populate the original array to equal the pulled values
 
 ```js
 const pull = (arr, ...args) => {
-  let pulled = arr.filter((v, i) => args.indexOf(v) === -1);
-  arr.length = 0;
-  pulled.forEach(v => arr.push(v));
-}
-
+  let pulled = arr.filter((v, i) => args.includes(v));
+  arr.length = 0; pulled.forEach(v => arr.push(v));
+};
 // let myArray = ['a', 'b', 'c', 'a', 'b', 'c'];
 // pull(myArray, 'a', 'c');
 // console.log(myArray) -> [ 'b', 'b' ]
-
-// let test = ['4', '1', '1', '5', '4', '2'];
-// pull(test, '4', '1');
-// console.log(myArray) -> [ '5', '2' ]
 ```