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-rw-r--r--gr-qtgui/lib/WaterfallDisplayPlot.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/gr-qtgui/lib/WaterfallDisplayPlot.cc b/gr-qtgui/lib/WaterfallDisplayPlot.cc
index a03a8c017d..9b21990a75 100644
--- a/gr-qtgui/lib/WaterfallDisplayPlot.cc
+++ b/gr-qtgui/lib/WaterfallDisplayPlot.cc
@@ -158,7 +158,7 @@ WaterfallDisplayPlot::WaterfallDisplayPlot(int nplots, QWidget* parent)
setAlpha(0, 255);
// LeftButton for the zooming
- // MidButton for the panning
+ // MiddleButton for the panning
// RightButton: zoom out by 1
// Ctrl+RighButton: zoom out to full size
d_zoomer = new WaterfallZoomer(canvas(), 0);