diff --git a/Demo/pyasn1/README b/Demo/pyasn1/README
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+The sample modules/scripts herein require modules pyasn1 and pyasn1-modules.
+
+http://pyasn1.sourceforge.net/
+
+http://pypi.python.org/pypi/pyasn1
+http://pypi.python.org/pypi/pyasn1-modules