.

git-svn-id: https://svn.dealii.org/trunk@9063 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/doc/readme.html b/deal.II/doc/readme.html
index 9b1a014b73fcd896ef36fb2ab0495e054db9c0f6..053a5ff06493f3527bacef28df94fa3fc57090b2 100644 (file)
--- a/deal.II/doc/readme.html
+++ b/deal.II/doc/readme.html
@@ -177,8 +177,10 @@
           your local machine. If not, you can still work with the library and
           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.
+           can use the <code>dot</code> program, which is part of the <a
+           href="http://www.graphviz.org" target="_top">GraphViz</a>
+           package. If this program is not available, then doxygen attempts to
+           generate text-mode graphs; these are much less nice, though.
           </p>
 
       <li> <p>