diff --git a/templates/GameAnnotation.html b/templates/GameAnnotation.html
index 7ef1b8f..7030232 100644
--- a/templates/GameAnnotation.html
+++ b/templates/GameAnnotation.html
@@ -310,7 +310,7 @@ function Replay(id){
           </label>
           <label>
               <input type="radio"  class="option-input radio" name="fun" value="E">
-              <b>Both is Fun</b>
+              <b>Both are Fun</b>
           </label>
 
         </div>
diff --git a/templates/GameWelcome.html b/templates/GameWelcome.html
index 383e5ce..b673c4a 100644
--- a/templates/GameWelcome.html
+++ b/templates/GameWelcome.html
@@ -224,18 +224,18 @@
     <dic class="col-md-2"></dic>
     <div class="col-md-5">
         <br><br>
-      <h4>Purpose Of the Experiment</h4>
+      <h4>Purpose of the Experiment</h4>
       <p>
-          The Experiment is designed for participants to annotate the performance of the Super Mario Bros' levels that generated by computer.
+        This Experiment is designed for investigating <b>player's experience of <em>fun</em></b> while playing procedurally generated Super Mario Bros levels.
       </p>
         <br>
-    <h4>Procedure Of the Experiment</h4>
-        <p>
-
-          The Experiment is consist of two Phase, which you need to do them two times in an experiment.<br>
-          Each Phase contains several Super Mario Bros levels to play and a annotation page to evaluate those levels you just played.<br>
-          Enjoy your Time!
-      </p>
+    <h4>Procedure of the Experiment</h4>
+      <ul>
+        <li> The Experiment is consist of two Phase, which you need to do them at least two times in an experiment.<br>
+        <li> Each Phase contains several Super Mario Bros levels to play and a annotation page to evaluate those levels you just played.<br>
+        <li> It takes about <b>15 minutes in total</b> to complete the experiment.<br>
+        <li> Enjoy your Time!
+      </ul>
 
       <br><br>