--- a/HierarchicalList.st	Tue Dec 06 12:46:04 2016 +0100
+++ b/HierarchicalList.st	Tue Dec 06 21:00:11 2016 +0100
@@ -119,11 +119,10 @@
 !HierarchicalList methodsFor:'accessing-mvc'!
 
 addDependent:anObject
-    "restart the monitoringTask if neccessary
+    "restart the monitoringTask if necessary
     "
     super addDependent:anObject.
     self  startMonitoringTask.
-
 !
 
 application