diff --git a/lcl/interfaces/qt/qtint.pp b/lcl/interfaces/qt/qtint.pp
index 69f6cbb555..2d31f13a11 100644
--- a/lcl/interfaces/qt/qtint.pp
+++ b/lcl/interfaces/qt/qtint.pp
@@ -110,7 +110,7 @@ type
     function CreateDefaultFont: HFONT; virtual;
     function GetQtDefaultDC: HDC; virtual;
     procedure DeleteDefaultDC; virtual;
-		procedure SetQtDefaultDC(Handle: HDC); virtual;
+    procedure SetQtDefaultDC(Handle: HDC); virtual;
     procedure InitStockItems; virtual;
     procedure FreeStockItems; virtual;
 
diff --git a/lcl/interfaces/qt/qtobject.inc b/lcl/interfaces/qt/qtobject.inc
index 05d84579df..5fa53922e7 100644
--- a/lcl/interfaces/qt/qtobject.inc
+++ b/lcl/interfaces/qt/qtobject.inc
@@ -286,7 +286,7 @@ begin
   if IsValidDC(CanvasHandle) then
   begin
     //WriteLn('TQtWidgetSet.DCSetPixel X=',X,' Y=',Y, ' AColor=',dbghex(AColor));
-    Painter :=TQtDeviceContext(CanvasHandle).Widget;
+    Painter := TQtDeviceContext(CanvasHandle).Widget;
     Pen := QPainter_pen(Painter);
     QPen_color(Pen, @ASavedColor);
     QColor_setRgb(QColorH(@Color),Red(AColor),Green(AColor),Blue(AColor));
diff --git a/lcl/interfaces/qt/qtobjects.pas b/lcl/interfaces/qt/qtobjects.pas
index d8bc506442..c4ce94f410 100644
--- a/lcl/interfaces/qt/qtobjects.pas
+++ b/lcl/interfaces/qt/qtobjects.pas
@@ -1556,6 +1556,7 @@ begin
   if AFont.Angle <> 0 then
     Rotate(-0.1 * AFont.Angle);
 
+  // what about AFont.Metrics.descent and AFont.Metrics.leading ?
   y := y + AFont.Metrics.ascent;
 
   // manual check for clipping