Update documentation.html

documentation.html

@@ -72,8 +72,8 @@
                 </p>
             </section>
 
-            <section id="stoping-the-application">
-                <h2>Stoping the application</h2>
+            <section id="stopping-the-application">
+                <h2>Stopping the application</h2>
                 <ul>
                     <li>
                         <p>