Merge branch 'main' of https://git.matthewbutterick.com/mbutterick/typesetting

quad/quad/scribblings/quad.scrbl

@@ -963,7 +963,7 @@ Some things I personally plan to use Quad for:
 
 @subsection{Getting more help}
 
-Questions about Quad and Quadwriter can be posted in the @link["https://forums.matthewbutterick.com/c/quad/"]{Quad forum.} 
+Questions about Quad and Quadwriter can be posted in the @link["https://forums.matthewbutterick.com/c/typesetting/"]{Quad forum.} 
 
 
 @subsection{Why is it called Quad?}