Fix brak english

Author: RobKenis

docs/kubecon-2026/tuesday/6-declarative-edge.md

@@ -2,7 +2,7 @@
 
 Talos Linux is good because it's declarative. Zarf is good for deployment.
 
-_It's the last time of day. I can't really be bothered to take notes. Please let the demo be dope._
+_It's the last talk of the day. I can't really be bothered to take notes. Please let the demo be dope._
 
 ## Links