diff --git a/data-structures/linked-lists.md b/data-structures/linked-lists.md
index 0e07e6c70..59947468a 100644
--- a/data-structures/linked-lists.md
+++ b/data-structures/linked-lists.md
@@ -190,8 +190,8 @@ const LinkedList = require('./linkedlist.js');
 
 ### Supplemental Materials
 
-- [MDN web docs | Classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes)
-- [THat JS Dude | JS: Interview Questions part -4: Stack, Queue, Linked List](https://www.thatjsdude.com/interview/linkedList.html#singlyLinkedList)
-- [Geeks for Geeks | Linked List | Set 1 (Introduction)](https://www.geeksforgeeks.org/linked-list-set-1-introduction/)
-- [ES6 Implementation](https://gist.github.com/klugjo/a9e9ef98fe879bc2b19b5a2e5947204c)
-- [Instantiation Patterns in JavaScript](https://medium.com/dailyjs/instantiation-patterns-in-javascript-8fdcf69e8f9b)
+- [MDN web docs | Classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes) (Website)
+- [That JS Dude | JS: Interview Questions part -4: Stack, Queue, Linked List](https://www.thatjsdude.com/interview/linkedList.html#singlyLinkedList) (Website)
+- [Geeks for Geeks | Linked List | Set 1 (Introduction)](https://www.geeksforgeeks.org/linked-list-set-1-introduction/) (Website)
+- [ES6 Implementation](https://gist.github.com/klugjo/a9e9ef98fe879bc2b19b5a2e5947204c) (GitHub Gist Code)
+- [Instantiation Patterns in JavaScript](https://medium.com/dailyjs/instantiation-patterns-in-javascript-8fdcf69e8f9b) (Article)