diff --git a/wxPython/src/_colour.i b/wxPython/src/_colour.i
index c560386597..b70b05094a 100644
--- a/wxPython/src/_colour.i
+++ b/wxPython/src/_colour.i
@@ -35,7 +35,7 @@ Blue (RGB) intensity values, and is used to determine drawing colours,
 window colours, etc.  Valid RGB values are in the range 0 to 255.
 
 In wxPython there are typemaps that will automatically convert from a
-colour name, from a '#RRGGBB' colour hex value string, or from a 3
+colour name, from a '#RRGGBB' colour hex value string, or from a 3 or 4
 integer tuple to a wx.Colour object when calling C++ methods that
 expect a wxColour.  This means that the following are all
 equivallent::
@@ -59,7 +59,7 @@ public:
     
     DocCtorStr(
         wxColour(byte red=0, byte green=0, byte blue=0, byte alpha=wxALPHA_OPAQUE),
-        "Constructs a colour from red, green and blue values.
+        "Constructs a colour from red, green, blue and alpha values.
 
 :see: Alternate constructors `wx.NamedColour` and `wx.ColourRGB`.
 ", "");