Update shuffle.md

snippets/shuffle.md

@@ -5,7 +5,7 @@ tags: array,random,intermediate
 
 Randomizes the order of the values of an array, returning a new array.
 
-Uses the [Fisher-Yates algorithm](https://github.com/30-seconds/30-seconds-of-code#shuffle) to reorder the elements of the array.
+Use the [Fisher-Yates algorithm](https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle#Fisher_and_Yates'_original_method) to reorder the elements of the array.
 
 ```js
 const shuffle = ([...arr]) => {
@@ -21,4 +21,4 @@ const shuffle = ([...arr]) => {
 ```js
 const foo = [1, 2, 3];
 shuffle(foo); // [2, 3, 1], foo = [1, 2, 3]
-```
+```