diff --git a/src/zope/wineggbuilder/lxml.py b/src/zope/wineggbuilder/lxml.py
index d5fcf4d..c49817a 100644
--- a/src/zope/wineggbuilder/lxml.py
+++ b/src/zope/wineggbuilder/lxml.py
@@ -12,6 +12,8 @@
 #
 ##############################################################################
 """Building lxml... this is a complicated story
+
+See http://lxml.de/build.html#static-linking-on-windows
 """
 __docformat__ = 'ReStructuredText'
 import logging