diff --git a/DEPENDS.txt b/DEPENDS.txt
index 07605862..b8942556 100644
--- a/DEPENDS.txt
+++ b/DEPENDS.txt
@@ -1,8 +1,12 @@
 Build Requirements
 ------------------
-* `Python >= 2.5 <http://python.org>`_
-* `Numpy >= 1.4 <http://numpy.scipy.org/>`_
-* `Cython >= 0.15 <http://www.cython.org/>`_
+* `Python >= 2.5 <http://python.org>`__
+* `Numpy >= 1.6 <http://numpy.scipy.org/>`__
+* `Cython >= 0.15 <http://www.cython.org/>`__
+
+
+`Matplotlib >= 1.0 <http://matplotlib.sf.net>`__ is needed to generate the
+examples in the documentation.
 
 Known build errors
 ------------------