diff --git a/docs/doxygen/overviews/printing.h b/docs/doxygen/overviews/printing.h
index 4951c0f130..a585724ff6 100644
--- a/docs/doxygen/overviews/printing.h
+++ b/docs/doxygen/overviews/printing.h
@@ -174,7 +174,7 @@ user.
 
 Class wxPageSetupDialog puts up the standard page setup dialog, which allows
 you to specify the orientation, paper size, and related settings. You provide
-it with a wxPageSetupDialogData object at intialization, which is used to
+it with a wxPageSetupDialogData object at initialization, which is used to
 populate the dialog; when the dialog is dismissed, this object contains the
 settings chosen by the user, including orientation and/or page margins.
 
diff --git a/include/wx/gtk/app.h b/include/wx/gtk/app.h
index 1bdc364e45..43233e09e5 100644
--- a/include/wx/gtk/app.h
+++ b/include/wx/gtk/app.h
@@ -27,7 +27,7 @@ public:
     wxApp();
     virtual ~wxApp();
 
-    /* override for altering the way wxGTK intializes the GUI
+    /* override for altering the way wxGTK initializes the GUI
      * (palette/visual/colorcube). under wxMSW, OnInitGui() does nothing by
      * default. when overriding this method, the code in it is likely to be
      * platform dependent, otherwise use OnInit(). */
diff --git a/include/wx/gtk1/app.h b/include/wx/gtk1/app.h
index c8b7dc8a97..ea7441249f 100644
--- a/include/wx/gtk1/app.h
+++ b/include/wx/gtk1/app.h
@@ -32,7 +32,7 @@ public:
     wxApp();
     virtual ~wxApp();
 
-    /* override for altering the way wxGTK intializes the GUI
+    /* override for altering the way wxGTK initializes the GUI
      * (palette/visual/colorcube). under wxMSW, OnInitGui() does nothing by
      * default. when overriding this method, the code in it is likely to be
      * platform dependent, otherwise use OnInit(). */
diff --git a/include/wx/msw/private/fswatcher.h b/include/wx/msw/private/fswatcher.h
index 43397c136f..055617b77c 100644
--- a/include/wx/msw/private/fswatcher.h
+++ b/include/wx/msw/private/fswatcher.h
@@ -312,7 +312,7 @@ protected:
     virtual ExitCode Entry();
 
     // wait for events to occur, read them and send to interested parties
-    // returns false it empty status was read, which means we whould exit
+    // returns false it empty status was read, which means we would exit
     //         true otherwise
     bool ReadEvents();
 
diff --git a/include/wx/msw/registry.h b/include/wx/msw/registry.h
index 17f78797ef..dab1fa2092 100644
--- a/include/wx/msw/registry.h
+++ b/include/wx/msw/registry.h
@@ -123,7 +123,7 @@ public:
     // hKey should be opened and will be closed in wxRegKey dtor
   void  SetHkey(WXHKEY hKey);
 
-  // get infomation about the key
+  // get information about the key
     // get the (full) key name. Abbreviate std root keys if bShortPrefix.
   wxString GetName(bool bShortPrefix = true) const;
     // Retrieves the registry view used by this key.
@@ -132,7 +132,7 @@ public:
   bool  Exists() const;
     // get the info about key (any number of these pointers may be NULL)
   bool  GetKeyInfo(size_t *pnSubKeys,      // number of subkeys
-                   size_t *pnMaxKeyLen,    // max len of subkey name
+                   size_t *pnMaxKeyLen,    // max length of subkey name
                    size_t *pnValues,       // number of values
                    size_t *pnMaxValueLen) const;
     // return true if the key is opened
diff --git a/include/wx/osx/carbon/dataview.h b/include/wx/osx/carbon/dataview.h
index 75185b092c..a689b3f3b9 100644
--- a/include/wx/osx/carbon/dataview.h
+++ b/include/wx/osx/carbon/dataview.h
@@ -107,7 +107,7 @@ private:
 // ============================================================================
 //
 // This is a wrapper class for the Mac OS X data browser environment.
-// It covers all data brower functionality for the native browser's list
+// It covers all data browser functionality for the native browser's list
 // and column style.
 //
 
@@ -180,7 +180,7 @@ public:
 //
   OSStatus GetColumnCount   (UInt32* numColumns) const;
   OSStatus GetColumnIndex   (DataBrowserPropertyID propertyID, DataBrowserTableViewColumnIndex* index) const; // returns for the passed property the corresponding column index
-  OSStatus GetFreePropertyID(DataBrowserPropertyID* propertyID) const; // this method returns a property id that is valid and currently not used; if it cannot be found 'errDataBrowerPropertyNotSupported' is returned
+  OSStatus GetFreePropertyID(DataBrowserPropertyID* propertyID) const; // this method returns a property id that is valid and currently not used; if it cannot be found 'errDataBrowserPropertyNotSupported' is returned
   OSStatus GetPropertyFlags (DataBrowserPropertyID propertyID, DataBrowserPropertyFlags *flags ) const;
   OSStatus GetPropertyID    (DataBrowserItemDataRef itemData, DataBrowserPropertyID* propertyID) const; // returns for the passed item data reference the corresponding property ID
   OSStatus GetPropertyID    (DataBrowserTableViewColumnIndex index, DataBrowserPropertyID* propertyID) const; // returns for the passed column index the corresponding property ID
@@ -297,7 +297,7 @@ protected :
 
 //
 // callback functions for drag & drop
-///
+//
   static pascal Boolean DataBrowserAcceptDragProc (ControlRef browser, DragReference dragRef, DataBrowserItemID itemID);
   static pascal Boolean DataBrowserAddDragItemProc(ControlRef browser, DragReference dragRef, DataBrowserItemID itemID, ItemReference* itemRef);
   static pascal Boolean DataBrowserReceiveDragProc(ControlRef browser, DragReference dragRef, DataBrowserItemID itemID);
@@ -308,7 +308,7 @@ protected :
 
 //
 // event handler for hit testing
-///
+//
   void*  m_macDataViewCtrlEventHandler;
 
 private:
diff --git a/include/wx/osx/carbon/mimetype.h b/include/wx/osx/carbon/mimetype.h
index 837275285a..6620cc76af 100644
--- a/include/wx/osx/carbon/mimetype.h
+++ b/include/wx/osx/carbon/mimetype.h
@@ -19,7 +19,7 @@ class wxMimeTypesManagerImpl
 {
 public :
     //kinda kooky but in wxMimeTypesManager::EnsureImpl it doesn't call
-    //intialize, so we do it ourselves
+    //initialize, so we do it ourselves
     wxMimeTypesManagerImpl() : m_hIC(NULL) { Initialize(); }
     ~wxMimeTypesManagerImpl() { ClearData(); }
 
diff --git a/src/msw/fswatcher.cpp b/src/msw/fswatcher.cpp
index 7269112f52..b9803efc45 100644
--- a/src/msw/fswatcher.cpp
+++ b/src/msw/fswatcher.cpp
@@ -217,7 +217,7 @@ wxThread::ExitCode wxIOCPThread::Entry()
 }
 
 // wait for events to occur, read them and send to interested parties
-// returns false it empty status was read, which means we whould exit
+// returns false it empty status was read, which means we would exit
 //         true otherwise
 bool wxIOCPThread::ReadEvents()
 {
diff --git a/src/msw/mediactrl_qt.cpp b/src/msw/mediactrl_qt.cpp
index 13f97bf111..a746e3d328 100644
--- a/src/msw/mediactrl_qt.cpp
+++ b/src/msw/mediactrl_qt.cpp
@@ -625,7 +625,7 @@ wxQTMediaBackend::~wxQTMediaBackend()
 //---------------------------------------------------------------------------
 // wxQTMediaBackend::CreateControl
 //
-// 1) Intializes QuickTime
+// 1) Initializes QuickTime
 // 2) Creates the control window
 //---------------------------------------------------------------------------
 bool wxQTMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
diff --git a/src/osx/carbon/mediactrl.cpp b/src/osx/carbon/mediactrl.cpp
index c3b00f5198..9e4b8fa236 100644
--- a/src/osx/carbon/mediactrl.cpp
+++ b/src/osx/carbon/mediactrl.cpp
@@ -338,7 +338,7 @@ wxQTMediaBackend::~wxQTMediaBackend()
 //---------------------------------------------------------------------------
 // wxQTMediaBackend::CreateControl
 //
-// 1) Intializes QuickTime
+// 1) Initializes QuickTime
 // 2) Creates the control window
 //---------------------------------------------------------------------------
 bool wxQTMediaBackend::CreateControl(