diff --git a/Misc/ACKS b/Misc/ACKS
index 4813083..4c3844d 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -658,7 +658,7 @@
 Žiga Seilnach
 Fred Sells
 Jiwon Seo
-Roger D, Serwy
+Roger D. Serwy
 Jerry Seutter
 Denis Severson
 Ian Seyer