diff --git a/doc/ver.xml b/doc/ver.xml
index d432e4a..8b45f56 100644
--- a/doc/ver.xml
+++ b/doc/ver.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" ?>
 <!-- $Id$ -->
+<!-- vim: spell -->
 <notes>
 <dl>
 
@@ -7,6 +8,8 @@
 <ul>
 <li>Make the generation of diamond shapes compatible with GraphViz 2.27.
 (Contributed by Soraya Santana de la Fe.)</li>
+<li>Make the maps appearing  sdfs
+(Contributed by Soraya Santana de la Fe.)</li>
 </ul>
 </dd>
 
diff --git a/src/org/umlgraph/doclet/ClassGraph.java b/src/org/umlgraph/doclet/ClassGraph.java
index 6589141..45ebb69 100644
--- a/src/org/umlgraph/doclet/ClassGraph.java
+++ b/src/org/umlgraph/doclet/ClassGraph.java
@@ -575,6 +575,7 @@ class ClassGraph {
 		}
 	    }
 	    externalTableEnd();
+	    w.print(", URL=\"" + classToUrl(c, rootClass) + "\"");
 	    nodeProperties(opt);
 
 	    // If needed, add a note for this node
@@ -788,6 +789,8 @@ class ClassGraph {
 		    }
 		    innerTableEnd();
 		    externalTableEnd();
+		    if (className == null || className.length() == 0)
+			w.print(", URL=\"" + classToUrl(className) + "\"");
 		    nodeProperties(opt);
 		}
 	    }