Index: trunk/doc/tutorial/index.html
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--- trunk/doc/tutorial/index.html	(revision 7938)
+++ trunk/doc/tutorial/index.html	(revision 7939)
@@ -120,7 +120,7 @@
 	<li> <a href="https://archive.org/details/sch-rnd-tut-effective-attribute-editing"> effective attribute editing </a>: mass-propedit and auto renumber (also on <a href="https://youtu.be/auG9ifB-fB8">youtube</a>)
 	<li> sheet-local libs
 	<ul>
-		<li> <a href="https://archive.org/details/sch-rnd-tut-sheet-local-lib"> local (symbol) library </a> <!--(also on <a href="https://youtu.be/gtyPxZFkHK0">youtube</a>)-->
+		<li> <a href="https://archive.org/details/sch-rnd-tut-sheet-local-lib"> local (symbol) library </a> (also on <a href="https://youtu.be/DC8rrVyhSVI">youtube</a>)
 		<li> <a href="https://archive.org/details/sch-rnd-tut-devmap-local-library"> Devmap local library </a> (also on <a href="https://youtu.be/gtyPxZFkHK0">youtube</a>)
 	</ul>
 </ul>