diff --git a/doc/atari.sgml b/doc/atari.sgml
index 47e63d4cd..411b0299e 100644
--- a/doc/atari.sgml
+++ b/doc/atari.sgml
@@ -206,7 +206,7 @@ graphics mode|reserved memory@<hline>
 25|7146@
 26|7146@
 27|7146@
-28|160@
+28|162@
 29|1@
 30|3304@
 31|7146