Provide a link into the glossary.

diff --git a/include/deal.II/base/utilities.h b/include/deal.II/base/utilities.h
index 06abd5cd43dfb9c9393b8a9cd5150ae8a51e0aa1..17f93ff90378bc6f52f8f91c3c1b70db901ac1d1 100644 (file)
--- a/include/deal.II/base/utilities.h
+++ b/include/deal.II/base/utilities.h
@@ -596,7 +596,8 @@ namespace Utilities
 
     /**
      * Return the number of MPI processes there exist in the given
-     * communicator object. If this is a sequential job (i.e., the program
+     * @ref GlossMPICommunicator "communicator"
+     * object. If this is a sequential job (i.e., the program
      * is not using MPI at all, or is using MPI but has been started with
      * only one MPI process), then the communicator necessarily involves
      * only one process and the function returns 1.