Revise introduction and update Git branch link

Updated the content of the introduction and changed the link for more information about Git branches.

Author: vmoratti

Wireframe/index.html

@@ -12,13 +12,10 @@
   <header>
     <h1>Wireframe</h1>
     <p>
-      This page will show:
+      This page will show you the purpose of README file, the purpose of
+       Wireframe and what is branch in Git. It will include images and links to read more about each topic.
     </p>
-    <ul>
-      <li>Purpose of README file</li>
-      <li>Purpose of Wireframe</li>
-      <li>What is branch in Git</li>
-    </ul>
+    
   </header>
   <main>
     <article>
@@ -51,7 +48,7 @@ <h2>What is a Branch in Git?</h2>
         It allows you to diverge from the mainline of development and work on features, experiments, or bug fixes
         without affecting the main codebase.
       </p>
-      <a href="https://en.wikipedia.org/wiki/Git_branch">Read more</a>
+      <a href="https://git-scm.com/book/en/v2/Git-Branching-Branches-in-a-Nutshell#:~:text=A%20branch%20in%20Git%20is,Note">Read more</a>
     </article>
   </main>
   <footer>
@@ -62,4 +59,4 @@ <h2>What is a Branch in Git?</h2>
   </footer>
 </body>
 
-</html>
+</html>