updates the h2 element for the article on Git branch

Author: Tobias-Amaechina

Wireframe/index.html

@@ -35,7 +35,7 @@ <h2>What is the Purpose of a Wireframe?</h2>
       </article>
       <article>
         <img src="placeholder.svg" alt="" />
-        <h2>Title</h2>
+        <h2>What Is a Git Branch?</h2>
         <p>
           Lorem ipsum dolor sit amet consectetur adipisicing elit. Quisquam,
           voluptates. Quisquam, voluptates.