diff --git a/wxPython/src/gtk/_core.py b/wxPython/src/gtk/_core.py
index 132d914d36..1f1ff4d09d 100644
--- a/wxPython/src/gtk/_core.py
+++ b/wxPython/src/gtk/_core.py
@@ -4580,7 +4580,7 @@ class ScrollEvent(CommandEvent):
     """
     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.
     """
     thisown = property(lambda x: x.this.own(), lambda x, v: x.this.own(v), doc='The membership flag')
@@ -12052,7 +12052,7 @@ class Sizer(Object):
         """
         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)
diff --git a/wxPython/src/gtk/_windows.py b/wxPython/src/gtk/_windows.py
index 275d841160..1646cc9853 100644
--- a/wxPython/src/gtk/_windows.py
+++ b/wxPython/src/gtk/_windows.py
@@ -2305,9 +2305,10 @@ def GetColourFromUser(*args, **kwargs):
         String caption=EmptyString) -> Colour
     """
   return _windows_.GetColourFromUser(*args, **kwargs)
+DD_CHANGE_DIR = _windows_.DD_CHANGE_DIR
+DD_DIR_MUST_EXIST = _windows_.DD_DIR_MUST_EXIST
 DD_NEW_DIR_BUTTON = _windows_.DD_NEW_DIR_BUTTON
 DD_DEFAULT_STYLE = _windows_.DD_DEFAULT_STYLE
-DD_CHANGE_DIR = _windows_.DD_CHANGE_DIR
 class DirDialog(Dialog):
     """
     wx.DirDialog allows the user to select a directory by browising the
diff --git a/wxPython/src/gtk/_windows_wrap.cpp b/wxPython/src/gtk/_windows_wrap.cpp
index 16fe704ec8..426aa7f5bb 100644
--- a/wxPython/src/gtk/_windows_wrap.cpp
+++ b/wxPython/src/gtk/_windows_wrap.cpp
@@ -34974,9 +34974,10 @@ SWIGEXPORT void SWIG_init(void) {
   SWIG_addvarlink(SWIG_globals(),(char*)"FileSelectorDefaultWildcardStr",FileSelectorDefaultWildcardStr_get, FileSelectorDefaultWildcardStr_set);
   SWIG_addvarlink(SWIG_globals(),(char*)"GetTextFromUserPromptStr",GetTextFromUserPromptStr_get, GetTextFromUserPromptStr_set);
   SWIG_addvarlink(SWIG_globals(),(char*)"MessageBoxCaptionStr",MessageBoxCaptionStr_get, MessageBoxCaptionStr_set);
+  SWIG_Python_SetConstant(d, "DD_CHANGE_DIR",SWIG_From_int(static_cast< int >(wxDD_CHANGE_DIR)));
+  SWIG_Python_SetConstant(d, "DD_DIR_MUST_EXIST",SWIG_From_int(static_cast< int >(wxDD_DIR_MUST_EXIST)));
   SWIG_Python_SetConstant(d, "DD_NEW_DIR_BUTTON",SWIG_From_int(static_cast< int >(wxDD_NEW_DIR_BUTTON)));
   SWIG_Python_SetConstant(d, "DD_DEFAULT_STYLE",SWIG_From_int(static_cast< int >(wxDD_DEFAULT_STYLE)));
-  SWIG_Python_SetConstant(d, "DD_CHANGE_DIR",SWIG_From_int(static_cast< int >(wxDD_CHANGE_DIR)));
   SWIG_Python_SetConstant(d, "OPEN",SWIG_From_int(static_cast< int >(wxOPEN)));
   SWIG_Python_SetConstant(d, "SAVE",SWIG_From_int(static_cast< int >(wxSAVE)));
   SWIG_Python_SetConstant(d, "OVERWRITE_PROMPT",SWIG_From_int(static_cast< int >(wxOVERWRITE_PROMPT)));
diff --git a/wxPython/src/mac/_core.py b/wxPython/src/mac/_core.py
index 132d914d36..1f1ff4d09d 100644
--- a/wxPython/src/mac/_core.py
+++ b/wxPython/src/mac/_core.py
@@ -4580,7 +4580,7 @@ class ScrollEvent(CommandEvent):
     """
     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.
     """
     thisown = property(lambda x: x.this.own(), lambda x, v: x.this.own(v), doc='The membership flag')
@@ -12052,7 +12052,7 @@ class Sizer(Object):
         """
         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)
diff --git a/wxPython/src/mac/_windows.py b/wxPython/src/mac/_windows.py
index c566783951..0a5731a5ec 100644
--- a/wxPython/src/mac/_windows.py
+++ b/wxPython/src/mac/_windows.py
@@ -2285,9 +2285,10 @@ def GetColourFromUser(*args, **kwargs):
         String caption=EmptyString) -> Colour
     """
   return _windows_.GetColourFromUser(*args, **kwargs)
+DD_CHANGE_DIR = _windows_.DD_CHANGE_DIR
+DD_DIR_MUST_EXIST = _windows_.DD_DIR_MUST_EXIST
 DD_NEW_DIR_BUTTON = _windows_.DD_NEW_DIR_BUTTON
 DD_DEFAULT_STYLE = _windows_.DD_DEFAULT_STYLE
-DD_CHANGE_DIR = _windows_.DD_CHANGE_DIR
 class DirDialog(Dialog):
     """
     wx.DirDialog allows the user to select a directory by browising the
diff --git a/wxPython/src/mac/_windows_wrap.cpp b/wxPython/src/mac/_windows_wrap.cpp
index 301920c5e6..a63a0eedd2 100644
--- a/wxPython/src/mac/_windows_wrap.cpp
+++ b/wxPython/src/mac/_windows_wrap.cpp
@@ -34835,9 +34835,10 @@ SWIGEXPORT void SWIG_init(void) {
   SWIG_addvarlink(SWIG_globals(),(char*)"FileSelectorDefaultWildcardStr",FileSelectorDefaultWildcardStr_get, FileSelectorDefaultWildcardStr_set);
   SWIG_addvarlink(SWIG_globals(),(char*)"GetTextFromUserPromptStr",GetTextFromUserPromptStr_get, GetTextFromUserPromptStr_set);
   SWIG_addvarlink(SWIG_globals(),(char*)"MessageBoxCaptionStr",MessageBoxCaptionStr_get, MessageBoxCaptionStr_set);
+  SWIG_Python_SetConstant(d, "DD_CHANGE_DIR",SWIG_From_int(static_cast< int >(wxDD_CHANGE_DIR)));
+  SWIG_Python_SetConstant(d, "DD_DIR_MUST_EXIST",SWIG_From_int(static_cast< int >(wxDD_DIR_MUST_EXIST)));
   SWIG_Python_SetConstant(d, "DD_NEW_DIR_BUTTON",SWIG_From_int(static_cast< int >(wxDD_NEW_DIR_BUTTON)));
   SWIG_Python_SetConstant(d, "DD_DEFAULT_STYLE",SWIG_From_int(static_cast< int >(wxDD_DEFAULT_STYLE)));
-  SWIG_Python_SetConstant(d, "DD_CHANGE_DIR",SWIG_From_int(static_cast< int >(wxDD_CHANGE_DIR)));
   SWIG_Python_SetConstant(d, "OPEN",SWIG_From_int(static_cast< int >(wxOPEN)));
   SWIG_Python_SetConstant(d, "SAVE",SWIG_From_int(static_cast< int >(wxSAVE)));
   SWIG_Python_SetConstant(d, "OVERWRITE_PROMPT",SWIG_From_int(static_cast< int >(wxOVERWRITE_PROMPT)));
diff --git a/wxPython/src/msw/_core.py b/wxPython/src/msw/_core.py
index bb82f46145..506b653f0e 100644
--- a/wxPython/src/msw/_core.py
+++ b/wxPython/src/msw/_core.py
@@ -4580,7 +4580,7 @@ class ScrollEvent(CommandEvent):
     """
     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.
     """
     thisown = property(lambda x: x.this.own(), lambda x, v: x.this.own(v), doc='The membership flag')
@@ -12056,7 +12056,7 @@ class Sizer(Object):
         """
         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)
diff --git a/wxPython/src/msw/_windows.py b/wxPython/src/msw/_windows.py
index 353b8cd112..319bed1370 100644
--- a/wxPython/src/msw/_windows.py
+++ b/wxPython/src/msw/_windows.py
@@ -2313,9 +2313,10 @@ def GetColourFromUser(*args, **kwargs):
         String caption=EmptyString) -> Colour
     """
   return _windows_.GetColourFromUser(*args, **kwargs)
+DD_CHANGE_DIR = _windows_.DD_CHANGE_DIR
+DD_DIR_MUST_EXIST = _windows_.DD_DIR_MUST_EXIST
 DD_NEW_DIR_BUTTON = _windows_.DD_NEW_DIR_BUTTON
 DD_DEFAULT_STYLE = _windows_.DD_DEFAULT_STYLE
-DD_CHANGE_DIR = _windows_.DD_CHANGE_DIR
 class DirDialog(Dialog):
     """
     wx.DirDialog allows the user to select a directory by browising the
diff --git a/wxPython/src/msw/_windows_wrap.cpp b/wxPython/src/msw/_windows_wrap.cpp
index fa0f21ca61..7de227bc30 100644
--- a/wxPython/src/msw/_windows_wrap.cpp
+++ b/wxPython/src/msw/_windows_wrap.cpp
@@ -35110,9 +35110,10 @@ SWIGEXPORT void SWIG_init(void) {
   SWIG_addvarlink(SWIG_globals(),(char*)"FileSelectorDefaultWildcardStr",FileSelectorDefaultWildcardStr_get, FileSelectorDefaultWildcardStr_set);
   SWIG_addvarlink(SWIG_globals(),(char*)"GetTextFromUserPromptStr",GetTextFromUserPromptStr_get, GetTextFromUserPromptStr_set);
   SWIG_addvarlink(SWIG_globals(),(char*)"MessageBoxCaptionStr",MessageBoxCaptionStr_get, MessageBoxCaptionStr_set);
+  SWIG_Python_SetConstant(d, "DD_CHANGE_DIR",SWIG_From_int(static_cast< int >(wxDD_CHANGE_DIR)));
+  SWIG_Python_SetConstant(d, "DD_DIR_MUST_EXIST",SWIG_From_int(static_cast< int >(wxDD_DIR_MUST_EXIST)));
   SWIG_Python_SetConstant(d, "DD_NEW_DIR_BUTTON",SWIG_From_int(static_cast< int >(wxDD_NEW_DIR_BUTTON)));
   SWIG_Python_SetConstant(d, "DD_DEFAULT_STYLE",SWIG_From_int(static_cast< int >(wxDD_DEFAULT_STYLE)));
-  SWIG_Python_SetConstant(d, "DD_CHANGE_DIR",SWIG_From_int(static_cast< int >(wxDD_CHANGE_DIR)));
   SWIG_Python_SetConstant(d, "OPEN",SWIG_From_int(static_cast< int >(wxOPEN)));
   SWIG_Python_SetConstant(d, "SAVE",SWIG_From_int(static_cast< int >(wxSAVE)));
   SWIG_Python_SetConstant(d, "OVERWRITE_PROMPT",SWIG_From_int(static_cast< int >(wxOVERWRITE_PROMPT)));