diff --git a/DDCore/include/DD4hep/Volumes.h b/DDCore/include/DD4hep/Volumes.h
index f15d175007dd497a4fb9fb456a42f25d1dc705cb..24adbadf204831cc1cca3175c62af885c22dfe00 100644
--- a/DDCore/include/DD4hep/Volumes.h
+++ b/DDCore/include/DD4hep/Volumes.h
@@ -46,7 +46,9 @@ namespace dd4hep {
 
   /// Scan geometry and create reflected volumes
   /**
-   *   Build reflections the ROOT way. To be called once the geometry is closed.
+   *   Build reflections the ROOT way. 
+   *   To be called once the geometry is closed.
+   *   This entity can only be invoked once.
    *
    *   For any further documentation please see the following ROOT documentation:
    *   \see http://root.cern.ch/root/html/TGeoManager.html
diff --git a/examples/DDCAD/compact/Check_Shape_Collada_duck.xml b/examples/DDCAD/compact/Check_Shape_Collada_duck.xml
index ad9f18d6296c0e332248cf4489cc68327b369a41..b1a1aa8bda1adffce76534a1cd79de84a205bc2f 100644
--- a/examples/DDCAD/compact/Check_Shape_Collada_duck.xml
+++ b/examples/DDCAD/compact/Check_Shape_Collada_duck.xml
@@ -8,7 +8,7 @@
       <check vis="Shape1_vis">
         <shape type="CAD_Shape" ref="${DD4hepExamplesINSTALL}/examples/DDCAD/models/Collada/duck.dae" mesh="0"/>
       </check>
-      <btest  type="DD4hep_Mesh_Verifier" ref="${DD4hepExamplesINSTALL}/examples/DDCAD/ref/Ref_Collada_duck.txt" create="CheckShape_create"/>
+      <test  type="DD4hep_Mesh_Verifier" ref="${DD4hepExamplesINSTALL}/examples/DDCAD/ref/Ref_Collada_duck.txt" create="CheckShape_create"/>
     </detector>
   </detectors>
 </lccdd>