diff --git a/wxPython/demo/ImageAlpha.py b/wxPython/demo/ImageAlpha.py
index bdce68fb8e..7360fe394e 100644
--- a/wxPython/demo/ImageAlpha.py
+++ b/wxPython/demo/ImageAlpha.py
@@ -54,7 +54,7 @@ overview = """
Images with Alpha
wxMSW and wxMac now support alpha channels of supported image
-types, and will properly blend that chennel when drawing a
+types, and will properly blend that channel when drawing a
bitmap. It is not supported yet on wxGTK, (if you would like to
change that please submit a patch!)