diff --git a/lab1/README.md b/lab1/README.md
index 8cef8befd1f5286eb763a1a7778c2079854f9684..73f863f7fa6ace0a39af4e6e49564f97b3f95a4b 100644
--- a/lab1/README.md
+++ b/lab1/README.md
@@ -28,7 +28,8 @@ which will help you get going on Beskow.
 
 # Exercise 1: Run "Hello, World"
 
-Run the "Hello, World" program found in the lecture. Make sure you understand how each processors prints its rank as well as the total number of processors in the communicator MPI_COMM_WORLD.
+[Compile](https://www.pdc.kth.se/support/documents/software_development/development.html) 
+and run the "Hello, World" program found in the lecture. Make sure you understand how each processors prints its rank as well as the total number of processors in the communicator MPI_COMM_WORLD.
 
 
 # Exercise 2: Send data across all processes