Fix up markup in the deprecation notice.
diff --git a/Doc/library/dl.rst b/Doc/library/dl.rst
index 5578120..ef8eb40 100644
--- a/Doc/library/dl.rst
+++ b/Doc/library/dl.rst
@@ -8,7 +8,8 @@
    :deprecated:
    
 .. deprecated:: 2.6
-    The dl module has been removed in Python 3.0.
+    The :mod:`dl` module has been removed in Python 3.0. Use the :mod:`ctypes`
+    module instead.
    
 .. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>