* \brief Convert shape to the VTK data sources
* \param theShape shape
* \param theEdgeMape map that stores face-to-edge relations
- * \param theIsVector boolen flag, when \c true causes generating additional
+ * \param theIsVector boolean flag, when \c true causes generating additional
* dataset for edges orientation vectors
* \param theStandaloneVertexSource output standalone vertices data source
* \param theIsolatedEdgeSource output standalone edges data source