Fix misspelling

Author: tylerpearson

docs/examples.html

@@ -515,7 +515,7 @@ <h2>Example code</h2>
       <h1>Hiding the search box</h1>
 
       <p>
-        Select2 allows you to hide the search box depending on the numbeer of
+        Select2 allows you to hide the search box depending on the number of
         options which are displayed. In this example, we use the value
         <code>Infinity</code> to tell Select2 to never display the search box.
       </p>