Fix typo

Author: khushpreet-kaur

src/lab/exp3/Quizzes.html

@@ -134,7 +134,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 <div class="col-md-10 lab-list-col-10">
 
 							<!--edit -->
-<h1 class="text-h2-lightblue">More On Numbers</h1><div class="content" id="experiment-article-section-6-content">
+<h1 class="text-h2-lightblue">More on Numbers</h1><div class="content" id="experiment-article-section-6-content">
 <p>
 <!-- <form method="post" name="quiz" onsubmit='evaluate()' target="_blank">
 <ol>