Update index.html

Updated the content.

Author: dothackjhe

Exercise 3/index.html

@@ -19,9 +19,9 @@
     <section class="hero">
       <div class="hero-container">
         <div class="column-left">
-          <h1>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</h1>
+          <h1>Plant trees, save lives.</h1>
           <p>
-            Nulla at mi vitae ipsum dignissim rhoncus ut in orci.
+            Every tree planted is a chance to fight floods that not only take lives but also properties. Start planting now!
           </p>
           <button>Learn more</button>
         </div>