diff --git a/INSTALL b/INSTALL
index 75d1d1b7beb4268fc490d55ef471d146d4b51323..7b7c76835353e9974ff6e6826d692f4ce5f8f59a 100644
--- a/INSTALL
+++ b/INSTALL
@@ -22,12 +22,13 @@ PORTS
         - Ultrix
         - SINIX-Z v5
         Alpha DEC OSF 4
-        HP-PA HP-UX
+        HP-PA HP-UX 10.X 11.X
         MIPS IRIX 6.2, 6.5
         Power AIX 4.2, 4.3.1
         PowerPC Mac OS X
         Sparc Solaris 2.4, 2.5, 2.5.1, 2.6, 7
         Sparc SunOS 4.1.*
+        i386 BeOS
         i386 FreeBSD
         i386 Linux 1.3, 2.0, 2.2
         i386 NetBSD