diff --git a/INSTALL b/INSTALL
index f5bf609..ae2cf69 100644
--- a/INSTALL
+++ b/INSTALL
@@ -57,6 +57,10 @@
 This will install the binaries in /opt/{bin,lib,sbin}, but will place the
 configuration files in /etc/ssh.
 
+If you are using PAM, you will need to manually install the sshd.pam
+control file as "/etc/pam.d/sshd". This file is customised for Redhat
+Linux, you may need to edit it before using it on your system.
+
 There are a few other options to the configure script:
 
 --enable-gnome-askpass will build the GNOME passphrase dialog. You