[css-display-3] Update acks

Author: fantasai

css-display-3/Overview.bs

@@ -1316,10 +1316,12 @@ Acknowledgments</h2>
 	We would like to thank the many people who have attempted to separate out the disparate details of box generation over the years,
 	most particularly Bert Bos,
 	whose last attempt with 'display-model' and 'display-role' didn't get anywhere,
-	but primed us for the current spec,
-	and Anton Prowse,
-	whose relentless assault on CSS2.1 Chapter 9 forced some order out of the chaos.
-	Honorable mentions also go to David Baron, Oriol Brufau, Mats Palmgren, and Boris Zbarsky for their feedback.
+	but primed us for the current spec;
+	Anton Prowse,
+	whose relentless assault on CSS2.1 Chapter 9 forced some order out of the chaos;
+	and Oriol Brufau,
+	who teased apart dozens of fine distinctions and errors in this spec.
+	Honorable mentions also go to David Baron, Mats Palmgren, and Boris Zbarsky for their feedback.
 
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 	We would also like to thank the many JavaScript libraries such as jQuery