diff --git a/classdiagram.graphml b/classdiagram.graphml
index 7787c97..bc1207d 100644
--- a/classdiagram.graphml
+++ b/classdiagram.graphml
@@ -241,10 +241,10 @@
       <data key="d4"/>
       <data key="d6">
         <y:UMLClassNode>
-          <y:Geometry height="28.0" width="178.0" x="311.5" y="344.5"/>
+          <y:Geometry height="245.80709342560556" width="293.0" x="254.0" y="126.69290657439444"/>
           <y:Fill color="#FFCC00" transparent="false"/>
           <y:BorderStyle color="#000000" type="line" width="1.0"/>
-          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="13" fontStyle="bold" hasBackgroundColor="false" hasLineColor="false" height="19.1328125" modelName="custom" textColor="#000000" visible="true" width="108.97119140625" x="34.514404296875" y="3.0">StackManager<y:LabelModel>
+          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="13" fontStyle="bold" hasBackgroundColor="false" hasLineColor="false" height="19.1328125" modelName="custom" textColor="#000000" visible="true" width="108.97119140625" x="92.014404296875" y="3.0">StackManager<y:LabelModel>
               <y:SmartNodeLabelModel distance="4.0"/>
             </y:LabelModel>
             <y:ModelParameter>
@@ -253,7 +253,11 @@
           </y:NodeLabel>
           <y:UML clipContent="true" constraint="" omitDetails="false" stereotype="" use3DEffect="true">
             <y:AttributeLabel/>
-            <y:MethodLabel/>
+            <y:MethodLabel>+ getAvailableProtocolNames() : list&lt;name&gt;
++ addProtocolToStack(name) : bool
++ getProtocolModel(name) : ProtocolModel
++ loadProtocols()
++ </y:MethodLabel>
           </y:UML>
         </y:UMLClassNode>
       </data>
@@ -351,7 +355,6 @@
       </data>
     </edge>
     <edge id="e7" source="n10" target="n11">
-      <data key="d9"/>
       <data key="d10">
         <y:PolyLineEdge>
           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>