diff --git a/rtdata/languages/default b/rtdata/languages/default
index c007b0ac8..52364caa8 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -240,7 +240,7 @@ GIMP_PLUGIN_INFO;Welcome to the RawTherapee GIMP plugin!\nOnce you are done edit
 HISTOGRAM_TOOLTIP_B;Show/Hide blue histogram.
 HISTOGRAM_TOOLTIP_BAR;Show/Hide RGB indicator bar.\nRight-click on image preview to freeze/unfreeze.
 HISTOGRAM_TOOLTIP_CHRO;Show/Hide chromaticity histogram.
-HISTOGRAM_TOOLTIP_FULL;Toggle full (off) or scaled (on) histogram.
+HISTOGRAM_TOOLTIP_MODE;Toggle between linear, log-linear and log-log scaling of the histogram.
 HISTOGRAM_TOOLTIP_G;Show/Hide green histogram.
 HISTOGRAM_TOOLTIP_L;Show/Hide CIELab luminance histogram.
 HISTOGRAM_TOOLTIP_R;Show/Hide red histogram.
diff --git a/rtgui/histogrampanel.cc b/rtgui/histogrampanel.cc
index e532d17b0..0a7c034a4 100644
--- a/rtgui/histogrampanel.cc
+++ b/rtgui/histogrampanel.cc
@@ -119,7 +119,7 @@ HistogramPanel::HistogramPanel ()
     showValue->set_tooltip_text (M("HISTOGRAM_TOOLTIP_L"));
     showChro->set_tooltip_text  (M("HISTOGRAM_TOOLTIP_CHRO"));
     showRAW->set_tooltip_text   (M("HISTOGRAM_TOOLTIP_RAW"));
-    showMode->set_tooltip_text  (M("HISTOGRAM_TOOLTIP_FULL")); // needs replacement!
+    showMode->set_tooltip_text  (M("HISTOGRAM_TOOLTIP_MODE"));
     showBAR->set_tooltip_text   (M("HISTOGRAM_TOOLTIP_BAR"));
 
     buttonGrid = Gtk::manage (new Gtk::Grid ());