diff --git a/README.md b/README.md
index ab31839..14174ca 100644
--- a/README.md
+++ b/README.md
@@ -165,7 +165,7 @@ From @afshinea:
 ![](https://github.com/FavioVazquez/ds-cheatsheets/blob/master/Math_Calculus/img/refresher-probabilities-statistics/refresher-probabilities-statistics-2.png)
 ![](https://github.com/FavioVazquez/ds-cheatsheets/blob/master/Math_Calculus/img/refresher-probabilities-statistics/refresher-probabilities-statistics-3.png)
 
-- [Fundamentals of Probabilities (PDF](https://github.com/sayakpaul/dscheatsheets/blob/master/Math_Calculus/Probability%20Cheatsheet.pdf)
+- [Fundamentals of Probabilities (PDF)](https://github.com/sayakpaul/dscheatsheets/blob/master/Math_Calculus/Probability%20Cheatsheet.pdf)
 ![](https://github.com/sayakpaul/ds-cheatsheets/blob/master/Math_Calculus/img/Probability%20Cheatsheet/1.PNG)
 ![](https://github.com/sayakpaul/ds-cheatsheets/blob/master/Math_Calculus/img/Probability%20Cheatsheet/2.PNG)
 ![](https://github.com/sayakpaul/ds-cheatsheets/blob/master/Math_Calculus/img/Probability%20Cheatsheet/3.PNG)