--- doc/RPTP.texi.orig	Sun Jan 18 20:59:52 1998
+++ doc/RPTP.texi	Sun Jan 18 21:04:57 1998
@@ -3,6 +3,10 @@
 @setfilename RPTP.info
 @settitle The RPTP Protocol
 @defindex ev
+@dircategory Network Audio Systems
+@direntry
+* RPTP: (RPTP).                The RPTP Protocol
+@end direntry
 @iftex
 @finalout
 @end iftex