diff --git a/README b/README
index 24fc238..5e5356d 100644
--- a/README
+++ b/README
@@ -6,6 +6,10 @@
 Written by Tim Edwards 2019 / 2020 for efabless (efabless.com)
 and Open Circuit Design (opencircuitdesign.com)
 
+URL: http://opencircuitdesign.com/open_pdks
+
+Distributed under the Apache-2.0 license (see file LICENSE).
+
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 Introduction: