diff -r 6f10207a89a8 -r a6fb2b2f73b0 Interface/Interface.cs
--- a/Interface/Interface.cs	Thu Aug 14 09:30:14 2014 +0200
+++ b/Interface/Interface.cs	Thu Aug 14 09:57:44 2014 +0200
@@ -17,6 +17,9 @@
         void Connect(string aClientName);
 
         [OperationContract(IsOneWay = true)]
+        void Disconnect(string aClientName);
+
+        [OperationContract(IsOneWay = true)]
         void SetText(int aLineIndex, string aText);
 
         [OperationContract(IsOneWay = true)]