diff --git a/rootfs/usr/share/plane-alert/plane-alert.header.html b/rootfs/usr/share/plane-alert/plane-alert.header.html
index 857ac37..654d541 100644
--- a/rootfs/usr/share/plane-alert/plane-alert.header.html
+++ b/rootfs/usr/share/plane-alert/plane-alert.header.html
@@ -107,7 +107,7 @@
Executive Summary
- Last update: ##LASTUPDATE##
-
- Click here for the list of monitored aircraft
+
- Click here for the list of monitored aircraft. This list was last updated on ##ALERTLISTUPDATE##.
- Right-click this link to save a CSV version of the table below.
- Aircraft are listed in reverse chronological order. Click the header of a column to resort.
- Note that for each aircraft, only the first observation of the day is listed. Additional flights, if any, can be seen on the Flight Map link (ICAO field).
diff --git a/rootfs/usr/share/plane-alert/plane-alert.sh b/rootfs/usr/share/plane-alert/plane-alert.sh
index 467618d..704eb1f 100755
--- a/rootfs/usr/share/plane-alert/plane-alert.sh
+++ b/rootfs/usr/share/plane-alert/plane-alert.sh
@@ -831,6 +831,7 @@ sed -i "s|##NAME##|$NAME|g" "$TMPDIR"/plalert-index.tmp
sed -i "s|##ADSBLINK##|$ADSBLINK|g" "$TMPDIR"/plalert-index.tmp
sed -i "s|##LASTUPDATE##|$LASTUPDATE|g" "$TMPDIR"/plalert-index.tmp
sed -i "s|##ALERTLIST##|$ALERTLIST|g" "$TMPDIR"/plalert-index.tmp
+sed -i "s|##ALERTLISTUPDATE##|$(stat -c "%y" /usr/share/planefence/persist/.internal/plane-alert-db.txt | sed 's/\.[0-9]*//')|g" "$TMPDIR"/plalert-index.tmp
sed -i "s|##CONCATLIST##|$CONCATLIST|g" "$TMPDIR"/plalert-index.tmp
sed -i "s|##HISTTIME##|$HISTTIME|g" "$TMPDIR"/plalert-index.tmp
sed -i "s|##BUILD##|$([[ -f /usr/share/planefence/branch ]] && cat /usr/share/planefence/branch || cat /root/.buildtime)|g" "$TMPDIR"/plalert-index.tmp