diff --git a/start-vnc b/start-vnc
index 3a21ac3c932d669687493b97b9e434090f537c69..4e6e55e22cd6f62c4bbcf1c73c7454a0ea5e688f 100755
--- a/start-vnc
+++ b/start-vnc
@@ -211,6 +211,7 @@ prepare_vncserver () {
     ssh_frontend "mkdir -p .startvnc"
     if ! ssh_frontend "test -s .vnc/passwd"; then
         echo "No VNC password found. Please set now."
+        echo "Do not use your LDAP password. Eight characters maximum."
         ssh_frontend "salloc -Q -n1 -pgpu -A${SVNC_ACCTCODE} -- /bin/bash -c \
                      'ssh -tt \$SLURM_JOB_NODELIST -- mkdir -p .vnc \
                      && /opt/TurboVNC/bin/vncpasswd'" "-t"