diff --git a/fhem/www/gplot/EnO_A5-20-01.gplot b/fhem/www/gplot/EnO_A5-20-01.gplot
index 1dc113069..08f1b46e2 100644
--- a/fhem/www/gplot/EnO_A5-20-01.gplot
+++ b/fhem/www/gplot/EnO_A5-20-01.gplot
@@ -18,7 +18,7 @@ set xdata time
 set timefmt "%Y-%m-%d_%H:%M:%S"
 set xlabel " "
 set ytics
-set title '<L1>'
+set title '<TL>'
 set grid xtics ytics
 set ylabel "t/C"
 set y2label "setpoint/%"
diff --git a/fhem/www/gplot/EnO_A5-20-04.gplot b/fhem/www/gplot/EnO_A5-20-04.gplot
index 9973e08e2..f3ef6c594 100644
--- a/fhem/www/gplot/EnO_A5-20-04.gplot
+++ b/fhem/www/gplot/EnO_A5-20-04.gplot
@@ -18,7 +18,7 @@ set xdata time
 set timefmt "%Y-%m-%d_%H:%M:%S"
 set xlabel " "
 set ytics
-set title '<L1>'
+set title '<TL>'
 set grid xtics ytics
 set ylabel "t/C"
 set y2label "t/C"
diff --git a/fhem/www/gplot/EnO_A5-20-04_2.gplot b/fhem/www/gplot/EnO_A5-20-04_2.gplot
index bd4fdde34..1d0c79d95 100644
--- a/fhem/www/gplot/EnO_A5-20-04_2.gplot
+++ b/fhem/www/gplot/EnO_A5-20-04_2.gplot
@@ -18,7 +18,7 @@ set xdata time
 set timefmt "%Y-%m-%d_%H:%M:%S"
 set xlabel " "
 set ytics
-set title '<L1>'
+set title '<TL>'
 set grid xtics ytics
 set ylabel "t/C"
 set y2label "setpoint/%"