Clarify

git-svn-id: https://svn.dealii.org/trunk@26130 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/base/geometry_info.h b/deal.II/include/deal.II/base/geometry_info.h
index 52726f17b6f0836429bf1ac628f8c270cc8eb0a8..cd6485273dac9ed618ded6cc0b04ed99335da57b 100644 (file)
--- a/deal.II/include/deal.II/base/geometry_info.h
+++ b/deal.II/include/deal.II/base/geometry_info.h
@@ -1564,7 +1564,14 @@ struct GeometryInfo
                                       * The first index in this 2D-array
                                       * runs over all vertices, the second
                                       * index over @p dim faces to which
-                                      * the vertex belongs
+                                      * the vertex belongs.
+                                     *
+                                     * The order of the faces for
+                                     * each vertex is such that the
+                                     * first listed face bounds the
+                                     * reference cell in <i>x</i>
+                                     * direction, the second in
+                                     * <i>y</i> direction, and so on.
                                       */
     static const unsigned int vertex_to_face[vertices_per_cell][dim];