text changes

index.html

@@ -126,7 +126,7 @@ <h1>Beatbar</h1>
       <div class='span8 offset2'>
         <h2>Usage</h1>
         <p>
-          The big ‘O’ inside the address bar represents the current mouse position. 
+          The big O inside the address bar represents the current mouse position. 
           Move the mouse pointer on the document to left and right to move O in the corresponding directions. 
           When it appears over the controls, click the mouse button to take an action.<br />
         </p>