Augment docs.

git-svn-id: https://svn.dealii.org/trunk@9056 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/doc/readme.html b/deal.II/doc/readme.html
index 520a0d15333bb1143a65854a6bbfcfd6d881d628..9b1a014b73fcd896ef36fb2ab0495e054db9c0f6 100644 (file)
--- a/deal.II/doc/readme.html
+++ b/deal.II/doc/readme.html
@@ -172,10 +172,13 @@
            In case you want to generate the documentation from the
            header files, you need a copy of <a href="http://www.doxygen.org/"
            target="_top">doxygen</a> on your machine (we use 
-           version 1.3.2, later versions will presumable work as well). If you
-           have these program, you can generate all the API documentation on
+           version 1.3.2, later versions will presumably work as well). If you
+           have this program, you can generate all the API documentation on
           your local machine. If not, you can still work with the library and
-          use the documentation provided on our homepage for reference.
+          use the documentation provided on our homepage for reference. Note
+           that in order to generate inheritance graphs for classes, doxygen
+           uses the <code>dot</code> program, which is part of the <a
+           href="http://www.graphviz.org" target="_top">GraphViz</a> package.
           </p>
 
       <li> <p>