Fix markdown lint

assets/install-guideline.md

@@ -25,12 +25,13 @@ The source code is available in the `./src` directory and the build code is avai
 
 ## Test
 
-The extension allows you to display the A/B tests created by the ABTasty site (https://www.abtasty.com).
+The extension allows you to display the A/B tests created by the [ABTasty](https://www.abtasty.com) site.
 
 If the page contains A/B tests, the extension icon displays a counter and when the popup is opened a list and a detail of each of the elements are displayed. This information is useful for testing, debugging, and visualizing A/B testing on a website.
 If the page does not load the ABTasty script or if there are no A/B tests, the counter does not display and the popup displays a "Content not found".
 
 Below is a list of websites that have at least one A/B test on their page
-https://www.abtasty.com
+
+- [https://www.abtasty.com](https://www.abtasty.com)
 
 <!-- Add other examples -->