Update portfolio.md

portfolio.md

@@ -10,7 +10,7 @@ This project uses an advanced neural network learning to predict Divvy bike stat
 #### [Divvy Paper](https://github.com/noahba65/stemGNN_divvy/blob/capstone/Assignments/final-paper/final_paper.pdf)
 ##### - This links to a highly techinical and academic write up of the project. Note that the results reported here differ slightly from the write up since I used different metrics and sligthly different calculations. 
 
-#### [Divvy Paper](https://github.com/noahba65/stemGNN_divvy/blob/capstone/Assignments/final-paper/final_paper.pdf)
+#### [Divvy Code](https://github.com/noahba65/stemGNN_divvy)
 ##### - This links to the repoistory containing all the code for both the paper and the write up. The code for the paper is on a seperate branch called `capstone` as it was originally written for my Data Science capstone at Truman State.