fix: 2016-05 link

Author: Jack-Works

meetings/2016-05/may-23.md

@@ -18,7 +18,7 @@ First YK/BT class evaluation order, then PRs, then features for advancement, the
 
 (Yehuda Katz, Brian Terlson)
 
-[_Presentation (with slides)_] https://github.com/tc39/tc39-notes/blob/master/es7/2016-05/classevalorder.pdf
+[_Presentation (with slides)_] https://github.com/tc39/notes/blob/main/meetings/2016-05/classevalorder.pdf
 
 BT: We need consensus, as this comes up with decorators and other new language features.