diff --git a/README.md b/README.md
index a5b6843..cde811d 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ This project is a C# console program, using .Net 4.7. You use it by entering com
 
 ### Test Centre
 
-This project holds all the tests for this solution. If uses a combination of unit tests ([XUnit]()) and property tests ([FsCheck]()). If you are unfamiliar with either of them, click on their links for more information. Also, all the tests are accessible in Visual Studio's Test Explorer. This means you can identify failing tests with ease.
+This project holds all the tests for this solution. If uses a combination of unit tests ([XUnit](http://xunit.github.io/)) and property tests ([FsCheck](https://fscheck.github.io/FsCheck/)). If you are unfamiliar with either of them, click on their links for more information. Also, all the tests are accessible in Visual Studio's Test Explorer. This means you can identify failing tests with ease.
 
 ![Image of VS's Test Explorer](.github/Images/test-explorer-example.png)