Index: trunk/doc/index.html
===================================================================
--- trunk/doc/index.html	(revision 33443)
+++ trunk/doc/index.html	(revision 33444)
@@ -68,9 +68,9 @@
 			<br> official packages in Debian, Ubuntu, Fedora, Mageia, Kali, Parrot, PureOS, Raspbian (<a href="https://repology.org/project/pcb-rnd/versions">full list</a>)
 			<br> <a href="mac.txt"> Mac OS X </a>
 			<br> <a href="windows.html"> Windows (7, 8, 10) </a>
-			<br> <a href="UNIX.txt"> IRIX 5.3 </a>
-			<br> OpenBSD
-			<br> (Likely: any 90's UNIX system with motif)
+			<br> <a href="UNIX.txt"> IRIX 5.3, AIX 7 </a>
+			<br> OpenBSD (Likely: any BSD not older than 25 years)
+			<br> (Likely: any 90's or newer UNIX system with motif)
 			<br> Screen resolution as small as 800x600
 			<br> GUI options: motif/lesstif, gtk-gdk, gtk-gl
 		<td width="10px">