Update README.md

Author: brelieu05

README.md

@@ -2,8 +2,8 @@
 
 By Brendan Lieu, Christiana Cho, Nathan Nguyen, Talon Yeh
 
-![Categories.pdf](https://github.com/brelieu05/categories/Categories.png)
+![Categories.pdf](Categories.png)
 
 Categories is game where players are prompted to list words alphabetically based on a given category. Test your knowledge and creativity as you navigate through each letter of the alphabet.
 
-![Preview.pdf](https://github.com/brelieu05/categories/Preview.png)
+![Categories.pdf](Preview.png)