diff --git a/man/man1/netfiles.1 b/man/man1/netfiles.1
index 6f023d6b..69f519b1 100644
--- a/man/man1/netfiles.1
+++ b/man/man1/netfiles.1
@@ -125,3 +125,11 @@ plumb client Netfiles
 .IR acme (4),
 .IR factotum (4),
 .HR http://v9fs.sf.net
+.SH BUGS
+.I Netfiles
+depends on
+.IR sftpcache (1),
+which only works with OpenSSH versions 4.3 and earlier;
+later versions do not print the
+.B sftp>
+prompt frequently enough.
diff --git a/man/man1/sftpcache.1 b/man/man1/sftpcache.1
index 23d2c582..28499b48 100644
--- a/man/man1/sftpcache.1
+++ b/man/man1/sftpcache.1
@@ -31,3 +31,9 @@ is used by
 .IR ssh (1),
 .IR sftp (1),
 .IR netfiles (1)
+.SH BUGS
+.I Sftpcache
+only works with OpenSSH versions 4.3 and earlier;
+later versions do not print the
+.B sftp>
+prompt frequently enough.