diff --git a/wxPython/src/_sizers.i b/wxPython/src/_sizers.i
index 3d2bd525ae..bfaa583272 100644
--- a/wxPython/src/_sizers.i
+++ b/wxPython/src/_sizers.i
@@ -456,7 +456,7 @@ public:
         |- wx.ALL                    |                                          |
         |                            |                                          |
         +----------------------------+------------------------------------------+
-        |- wx.EXAPAND                |The item will be expanded to fill         |
+        |- wx.EXPAND                 |The item will be expanded to fill         |
         |                            |the space allotted to the item.           |
         +----------------------------+------------------------------------------+
         |- wx.SHAPED                 |The item will be expanded as much as      |