Update 'content/topic/improvisation-and-control.md'

content/topic/improvisation-and-control.md

@@ -3,7 +3,7 @@ title: "Improvisation and Control"
 has_experiments: ["us-listening-to-machines-listening-to-us.md"]
 sessions:
   [
-    "singapore-2021.md",
+    "CCA-NTU-2021.md",
   ]
 ---