minor

WebCola/examples/smallworldwithgroups.html

@@ -125,7 +125,7 @@ <h1>Simple Groups Example</h1>
     .start(20, 0, 10);
 </code></pre>
 In the above, <code>groups</code> is an array where each group object contains a single property 
-    <code>leaves</code> which is an array of indices to the <code>graph.nodes</code> array.  We turn <code>avoidOverlaps</code> on to get cola to
+    <code>leaves</code> which is an array of indices to the <code>graph.nodes</code> array.  We turn on <code>avoidOverlaps</code> to get cola to
     keep the nodes and groups separated.  The <code>start</code> method is called with three parameters 20, 0 and 10.  These are, respectively: 
     <ul>
         <li>20 initial graph layout iterations without constraints to get the graph to untangle.</li>