Update index.html

Fix a URL to this repo from when I had made a typo

Author: Tucker Willenborg

index.html

@@ -38,7 +38,7 @@ <h4>It is recommended that you have knowledge of HTML and CSS before attempting
 
         <br>
 
-        <p>Want to Help Out? Open Source - <a href="https://github.com/ecc521/beginner-javasscript-tutorial" target="_blank">GitHub Repository</a></p>
+        <p>Want to Help Out? Open Source - <a href="https://github.com/ecc521/beginner-javascript-tutorial" target="_blank">GitHub Repository</a></p>
 
 		<p>Want to try your own thing? Try my <a href="editor.html" target="_blank">Online HTML Editor</a></p>