typos

Author: rbri

src/changes/changes.xml

@@ -39,7 +39,7 @@
                 A short section about 'Multithreading/Threads Pooling' added to the web page.
             </action>
             <action type="add" dev="rbri">
-                WebClient.setExecutor(ExecutorService) addet to make treading more flexible.
+                WebClient.setExecutor(ExecutorService) added to make threading more flexible.
             </action>
             <action type="update" dev="rbri" issue="390" due-to="Dennis Duysak">
                 Use a CachedThreadPool instead of a FixedThreadPool for our executor service because the number