       '''
 
       instruction: '''
-        Drag the other point of the ellips to match the bubble.
+        Drag the other point of the ellipse to match the bubble.
       '''
 
     selectClusterTool:
       content: '''
-        Great! Now we'll mark the small cluster of bright stars off to the right.
+        Great! We also want to find stars clusters.
+        Let's mark the cluster of bright stars off to the right.
       '''
 
       instruction: '''


    markBubble:
      content: '''
        We're primarily looking for bubbles like the one in the bottom-left of this image. Let's mark it now.
      '''

      instruction: '''

      '''

      instruction: '''
        Drag out a circle around the EGO until it is contained.
      '''

    callOutTalk:
