Apply suggestions from code review

Author: jankeromnes

src/blog/github-codespaces.md

@@ -79,7 +79,7 @@ CI/CD has taught us how versioned, reproducible infrastructure as code is key to
 Experience the future of software development now!
 
 <div style="text-align: center; margin: 2rem;">
-    <a href="/contact">
-        <button style="cursor: pointer; border: none; padding: 1.5rem 3rem; border-radius: 100px; background-color: #0087BE; color: white; font-weight: 600">Get in Touch</button>
+    <a href="https://www.gitpod.io/">
+        <button style="cursor: pointer; border: none; padding: 1.5rem 3rem; border-radius: 100px; background-color: #0087BE; color: white; font-weight: 600">Try Gitpod.io</button>
     </a>
 </div>