added info on where to reference the ssh login notification

ssh-login.sh

@@ -1,4 +1,11 @@
 #!/bin/bash
+
+# 
+# This script is referenced in `/etc/pam.d/sshd`
+# - at the end of the `sshd` file, add
+# `session optional pam_exec.so /home/acedanger/shell/ssh-login.sh`
+#
+
 if [ "${PAM_TYPE}" = "open_session" ]; then
   curl \
     -H prio:high \