diff --git a/doc/funcref.sgml b/doc/funcref.sgml
index bbab694fa..de7bd31a2 100644
--- a/doc/funcref.sgml
+++ b/doc/funcref.sgml
@@ -3448,6 +3448,9 @@ returns one of the constants<itemize>
 <item><tt/CPU_6502/
 <item><tt/CPU_65C02/
 <item><tt/CPU_65816/
+<item><tt/CPU_4510/
+<item><tt/CPU_65SC02/
+<item><tt/CPU_65CE02/
 </itemize>
 <tag/Notes/<itemize>
 <item>Other, more exotic CPU types are not disinguished.