diff --git a/wxPython/src/_event.i b/wxPython/src/_event.i
index 0632593d0e..72c3a142da 100644
--- a/wxPython/src/_event.i
+++ b/wxPython/src/_event.i
@@ -662,7 +662,7 @@ false otherwise (if it was).", "");
 DocStr(wxScrollEvent,
 "A scroll event holds information about events sent from stand-alone
 scrollbars and sliders. Note that scrolled windows do not send
-instnaces of this event class, but send the `wx.ScrollWinEvent`
+instances of this event class, but send the `wx.ScrollWinEvent`
 instead.", "
 
 Events
diff --git a/wxPython/src/_sizers.i b/wxPython/src/_sizers.i
index 2b1e26a76c..b2b81d6cf8 100644
--- a/wxPython/src/_sizers.i
+++ b/wxPython/src/_sizers.i
@@ -731,7 +731,7 @@ the item to be found.", "");
             """
             if isinstance(olditem, wx.Window):
                 return self._ReplaceWin(olditem, item, recursive)
-            elif isinstnace(olditem, wx.Sizer):
+            elif isinstance(olditem, wx.Sizer):
                 return self._ReplaceSizer(olditem, item, recursive)
             elif isinstnace(olditem, int):
                 return self._ReplaceItem(olditem, item)