acknowledge CG report by

Author: jeswr

shacl12-compact-syntax/index.html

@@ -800,6 +800,9 @@ <h3 id="text-shaclc">text/shaclc</h3>
 		<section id="ack" class="appendix informative">
 			<h2>Acknowledgements</h2>
 			<p>
+			<p>
+			This document is based on the <a href="https://w3c.github.io/shacl/shacl-compact-syntax/">SHACL Compact Syntax, Draft Community Group Report</a> written by <a href="http://knublauch.com/">Holger Knublauch</a> and <a href="https://github.com/VladimirAlexiev/my">Vladimir Alexiev</a>.
+			</p>
 				This document is heavily inspired by the <a href="http://shex.io/shex-semantics/#shexc">ShEx Compact Syntax</a>,
 				a version of which was provided as input to the RDF Data Shapes Working Group.
 				The IANA Considerations section has been adapted <a href="http://shex.io/shex-semantics/#iana-considerations">from the same document</a>.