Update README.md

README.md

@@ -104,7 +104,7 @@ Labs are submitted by pushing your code on GitLab, see details in the [grading a
 | Lab 2 | Reductions and Prefix Sums | 2022.03.02  | 2022.03.13  |
 | Lab 3 | K-Means                    | 2022.03.09  | 2022.03.20  |
 | Lab 4 | Barnes-Hut Simulation      | 2022.03.16  | 2022.03.27  |
-| Lab 4 | Concurrent Bounded Buffer  | 2022.03.23  | 2022.04.03  |
+| Lab 5 | Concurrent Bounded Buffer  | 2022.03.23  | 2022.04.03  |
 
 # Exercises