updated for version 7.2a
diff --git a/src/INSTALL b/src/INSTALL
index 2269e41..210d773 100644
--- a/src/INSTALL
+++ b/src/INSTALL
@@ -14,6 +14,7 @@
 See INSTALLmac.txt              for Macintosh
 See INSTALLpc.txt               for PC (MS-DOS, Windows 95/98/NT/XP)
 See INSTALLvms.txt              for VMS
+See INSTALLx.txt		for cross-compiling on Unix
 See ../runtime/doc/os_390.txt   for OS/390 Unix
 See ../runtime/doc/os_beos.txt  for BeBox