diff --git a/build.xml b/build.xml
index 926bdd21e5..0ed314e0bf 100644
--- a/build.xml
+++ b/build.xml
@@ -16,6 +16,9 @@
xerces http://www.ibiblio.org/maven/xerces/jars/
jdepend http://www.ibiblio.org/maven/jdepend/jars/
+ The ant jar "optional.jar" should also be available otherwise the
+ build will fail.
+
To build the documentation you will need to install forrest and set
the FORREST_HOME environment variable.
@@ -79,7 +82,7 @@
-
+
@@ -525,9 +528,10 @@
-
-
-
+
+
+
+
@@ -546,6 +550,7 @@
+