Hello and welcome to FCC Forum, a community of people helping each other!
Please post your complete code using the Help button that appears after three unsuccessful attempts at any step in Responsive Web Design? It allows for you to provide the complete code and your questions for the community to provide proper and quick guidance.
From the view of the screenshot, it appears that there is misunderstanding on how to create a link.
Here is a great article with both clear guidance and examples.
Hope it helps you!