diff --git a/man/tiffcmp.1 b/man/tiffcmp.1
index 91e37bbf..14a00f56 100644
--- a/man/tiffcmp.1
+++ b/man/tiffcmp.1
@@ -1,4 +1,4 @@
-.\"	$Header: /cvs/maptools/cvsroot/libtiff/man/tiffcmp.1,v 1.1 1999-07-27 21:50:28 mike Exp $
+.\"	$Header: /cvs/maptools/cvsroot/libtiff/man/tiffcmp.1,v 1.2 2001-06-29 02:46:45 warmerda Exp $
 .\"
 .\" Copyright (c) 1988-1997 Sam Leffler
 .\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
@@ -66,6 +66,12 @@ Ignore any differences in directory tags.
 .SH BUGS
 Tags that are not recognized by the library are not
 compared; they may also generate spurious diagnostics.
+.PP
+The image data of tiled files is not compared, since the TIFFReadScanline()
+function is used.  A error will be reported for tiled files.
+.PP
+The pixel and/or sample number reported in differences may be off
+in some exotic cases. 
 .SH "SEE ALSO"
 .IR pal2rgb (1),
 .IR tiffinfo (1),