correct CellMarkerBase private copy constructor

include/Topology/generic/cellmarker.h

@@ -117,7 +117,7 @@ public:
 
 protected:
 	// protected copy constructor to forbid its usage
-	CellMarkerBase(const CellMarkerGen& cm) : CellMarkerGen(cm.m_map)
+	CellMarkerBase(const CellMarkerGen& cm) : CellMarkerGen(cm.m_map, CELL)
 	{}
 
 public:

include/Topology/map/map3.h

@@ -236,7 +236,7 @@ public:
 	 */
 	virtual void unsewVolumes(Dart d);
 
-	//! Merge to volume along their common oriented face
+	//! Merge two volumes along their common oriented face
 	/*! @param d a dart of common face
 	 */
 	virtual bool mergeVolumes(Dart d);