Update quickstart.html

Author: ThomasLandauer

quickstart.html

@@ -60,8 +60,8 @@ <h4 class="panel-title">1.Install</h4>
           <div class="panel panel-info">
             <div class="panel-heading"><h4 class="panel-title">3. Create Test</h4></div>
             <div class="panel-body">
-              <p>Generate your first acceptance test. Acceptance tests emulate behavior
-                of a real user visiting your site.</p>
+              <p>Generate your first acceptance test. Acceptance tests emulate the behavior
+                of a real user visiting your site. (For details, see <a href="/docs/03-AcceptanceTests" class="btn btn-secondary">Acceptance Testing Guide)</a></p>
               <div class="highlight">
                 <p>
                 <pre>php vendor/bin/codecept generate:cest Acceptance First</pre>