mention namespaces in first paragraph

git-svn-id: https://svn.dealii.org/trunk@22865 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/doc/doxygen/headers/integrators.h b/deal.II/doc/doxygen/headers/integrators.h
index 92c4af5a508599d0119f86cdae691b54d54990a8..d63c35b1b59c63245225d1e815ca947c6fa259fd 100644 (file)
--- a/deal.II/doc/doxygen/headers/integrators.h
+++ b/deal.II/doc/doxygen/headers/integrators.h
@@ -15,7 +15,11 @@
  * @defgroup Integrators Integrators
  *
  * A collection of namespaces and functions which simplify the coding
- * of forms and bilinear forms on finite element spaces.
+ * of forms and bilinear forms on finite element spaces. Functions for
+ * two different purposes are gathered here: the abstract integration
+ * on finite element meshes in MeshWorker and actual implementations
+ * of the integration of cell and face terms for concrete problems in
+ * LocalIntegrators.
  *
  * <h3>Integration on finite element meshes</h3>
  *