message: Minor updates in doc-strings.
diff: @@ -78,10 +78,10 @@ struct CoarseFineTransformations
  struct MatrixMap; // for internal use
  -/** \brief A class for non-conforming AMR on higher-order hexahedral, prismatic,
  - * quadrilateral or triangular meshes.
  +/** \brief A class for non-conforming AMR. The class is not used directly
  + * by the user, rather it is a extension of the Mesh class.
  *
  - * The class is used as follows:
  + * In general, the class is used by MFEM as follows:
  *
  * 1. NCMesh is constructed from elements of an existing Mesh. The elements
  * are copied and become roots of the refinement hierarchy.
  @@ -90,7 +90,8 @@ struct MatrixMap; // for internal use
  * anisotropic refinements of quads/hexes are supported.
  *
  * 3. A new Mesh is created from NCMesh containing the leaf elements.
  - * This new mesh may have non-conforming (hanging) edges and faces.
  + * This new Mesh may have non-conforming (hanging) edges and faces and
  + * is the one seen by the user.
  *
  * 4. FiniteElementSpace asks NCMesh for a list of conforming, master and
  * slave edges/faces and creates the conforming interpolation matrix P.
  @@ -881,8 +882,7 @@ protected: // implementation
  // geometry
  - /** This holds in one place the constants about the geometries we support
  - (triangles, quads, cubes) */
  + /// This holds in one place the constants about the geometries we support
  struct GeomInfo
  {
  int nv, ne, nf; // number of: vertices, edges, faces
  