diff --git a/index.html b/index.html
index 0dd9e33..47b8330 100644
--- a/index.html
+++ b/index.html
@@ -27,13 +27,19 @@ appearing in the books
 <a href="http://www.spinellis.gr/codereading">Code Reading: The Open Source Perspective</a> (Addison Wesley, 2003).
 In addition,
 the <em>UMLGraphDoc</em> doclet included in this distribution automatically
-adds UML diagrams to javadoc documentation,
+adds UML diagrams to javadoc documentation.
+
+<p />
+Many programs build on UMLGraph.
 <a href="http://lightuml.sourceforge.net/">LightUML</a>
 integrates UMLGraph into <a href="http://www.eclipse.org">Eclipse</a>,
 <a href="http://maven-plugins.sourceforge.net/maven-dotuml-plugin/">Dotuml</a>
-integrates UMLGraph into <a href="http://maven.apache.org/">Maven</a>,
-and the <a href="http://sourceforge.net/projects/xholon/">Xholon</a>
-framework uses UMLGraph to generate its runtime sequence diagrams.
+integrates UMLGraph into <a href="http://maven.apache.org/">Maven</a>.
+Also
+the <a href="http://sourceforge.net/projects/xholon/">Xholon</a>
+framework and
+<a href="http://ruby-uml.rubyforge.org/">ruby-uml</a>
+use UMLGraph to generate sequence diagrams.
 Furthermore,
 the Politecnico Di Torino SoftEng group has extended UMLGraph into
 the <a href="http://softeng.polito.it/projects/XUG/">XUG</a>
@@ -41,7 +47,7 @@ reverse engineering tool, and
 Adam Feuer's
 <a href="http://www.python.org/pypi/PyUMLGraph">PyUMLGraph</a>
 system applies the concept to Python programs.
-
+<p />
 Finally,
 <a href="http://martinfowler.com">Martin Fowler</a> writes:
 <blockquote>
diff --git a/web/index.html b/web/index.html
index 0dd9e33..47b8330 100644
--- a/web/index.html
+++ b/web/index.html
@@ -27,13 +27,19 @@ appearing in the books
 <a href="http://www.spinellis.gr/codereading">Code Reading: The Open Source Perspective</a> (Addison Wesley, 2003).
 In addition,
 the <em>UMLGraphDoc</em> doclet included in this distribution automatically
-adds UML diagrams to javadoc documentation,
+adds UML diagrams to javadoc documentation.
+
+<p />
+Many programs build on UMLGraph.
 <a href="http://lightuml.sourceforge.net/">LightUML</a>
 integrates UMLGraph into <a href="http://www.eclipse.org">Eclipse</a>,
 <a href="http://maven-plugins.sourceforge.net/maven-dotuml-plugin/">Dotuml</a>
-integrates UMLGraph into <a href="http://maven.apache.org/">Maven</a>,
-and the <a href="http://sourceforge.net/projects/xholon/">Xholon</a>
-framework uses UMLGraph to generate its runtime sequence diagrams.
+integrates UMLGraph into <a href="http://maven.apache.org/">Maven</a>.
+Also
+the <a href="http://sourceforge.net/projects/xholon/">Xholon</a>
+framework and
+<a href="http://ruby-uml.rubyforge.org/">ruby-uml</a>
+use UMLGraph to generate sequence diagrams.
 Furthermore,
 the Politecnico Di Torino SoftEng group has extended UMLGraph into
 the <a href="http://softeng.polito.it/projects/XUG/">XUG</a>
@@ -41,7 +47,7 @@ reverse engineering tool, and
 Adam Feuer's
 <a href="http://www.python.org/pypi/PyUMLGraph">PyUMLGraph</a>
 system applies the concept to Python programs.
-
+<p />
 Finally,
 <a href="http://martinfowler.com">Martin Fowler</a> writes:
 <blockquote>