diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 70c39008b..b9e34e255 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -4,8 +4,7 @@
 /*                                                                         */
 /*    FreeType high-level API and common types (specification only).       */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,   */
-/*            2010 by                                                      */
+/*  Copyright 1996-2011 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -1058,7 +1057,7 @@ FT_BEGIN_HEADER
   /*                                                                       */
   /*      It is not possible to autohint such fonts using                  */
   /*      @FT_LOAD_FORCE_AUTOHINT; it will also ignore                     */
-  /*      @FT_LOAD_NO_HINTING.  You have to set both FT_LOAD_NO_HINTING    */
+  /*      @FT_LOAD_NO_HINTING.  You have to set both @FT_LOAD_NO_HINTING   */
   /*      and @FT_LOAD_NO_AUTOHINT to really disable hinting; however, you */
   /*      probably never want this except for demonstration purposes.      */
   /*                                                                       */
diff --git a/include/freetype/ftbbox.h b/include/freetype/ftbbox.h
index 01fe3fb0d..976691956 100644
--- a/include/freetype/ftbbox.h
+++ b/include/freetype/ftbbox.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    FreeType exact bbox computation (specification).                     */
 /*                                                                         */
-/*  Copyright 1996-2001, 2003, 2007 by                                     */
+/*  Copyright 1996-2001, 2003, 2007, 2011 by                               */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -73,6 +73,14 @@ FT_BEGIN_HEADER
   /* <Return>                                                              */
   /*    FreeType error code.  0~means success.                             */
   /*                                                                       */
+  /* <Note>                                                                */
+  /*    If the font is tricky and the glyph has been loaded with           */
+  /*    @FT_LOAD_NO_SCALE, the resulting BBox is meaningless.  To get      */
+  /*    reasonable values for the BBox it is necessary to load the glyph   */
+  /*    at a large ppem value (so that the hinting instructions can        */
+  /*    properly shift and scale the subglyphs), then extracting the BBox  */
+  /*    which can be eventually converted back to font units.              */
+  /*                                                                       */
   FT_EXPORT( FT_Error )
   FT_Outline_Get_BBox( FT_Outline*  outline,
                        FT_BBox     *abbox );
diff --git a/include/freetype/ftglyph.h b/include/freetype/ftglyph.h
index 0b8f0c044..3de69f7ae 100644
--- a/include/freetype/ftglyph.h
+++ b/include/freetype/ftglyph.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    FreeType convenience functions to handle glyphs (specification).     */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2006, 2008, 2009 by                   */
+/*  Copyright 1996-2003, 2006, 2008, 2009, 2011 by                         */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -384,6 +384,13 @@ FT_BEGIN_HEADER
   /*    units in 26.6 pixel format.  The value @FT_GLYPH_BBOX_SUBPIXELS    */
   /*    is another name for this constant.                                 */
   /*                                                                       */
+  /*    If the font is tricky and the glyph has been loaded with           */
+  /*    @FT_LOAD_NO_SCALE, the resulting CBox is meaningless.  To get      */
+  /*    reasonable values for the CBox it is necessary to load the glyph   */
+  /*    at a large ppem value (so that the hinting instructions can        */
+  /*    properly shift and scale the subglyphs), then extracting the CBox  */
+  /*    which can be eventually converted back to font units.              */
+  /*                                                                       */
   /*    Note that the maximum coordinates are exclusive, which means that  */
   /*    one can compute the width and height of the glyph image (be it in  */
   /*    integer or 26.6 pixels) as:                                        */
diff --git a/include/freetype/ftoutln.h b/include/freetype/ftoutln.h
index 2829a05ca..1cf3c3f80 100644
--- a/include/freetype/ftoutln.h
+++ b/include/freetype/ftoutln.h
@@ -5,7 +5,7 @@
 /*    Support for the FT_Outline type used to store glyph shapes of        */
 /*    most scalable font formats (specification).                          */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2010 by */
+/*  Copyright 1996-2003, 2005-2011 by                                      */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -227,6 +227,9 @@ FT_BEGIN_HEADER
   /* <Output>                                                              */
   /*    acbox   :: The outline's control box.                              */
   /*                                                                       */
+  /* <Note>                                                                */
+  /*    See @FT_Glyph_Get_CBox for a discussion of tricky fonts.           */
+  /*                                                                       */
   FT_EXPORT( void )
   FT_Outline_Get_CBox( const FT_Outline*  outline,
                        FT_BBox           *acbox );
@@ -332,7 +335,7 @@ FT_BEGIN_HEADER
   /*    handled incorrectly.                                               */
   /*                                                                       */
   /*    If you need `better' metrics values you should call                */
-  /*    @FT_Outline_Get_CBox ot @FT_Outline_Get_BBox.                      */
+  /*    @FT_Outline_Get_CBox or @FT_Outline_Get_BBox.                      */
   /*                                                                       */
   /*    Example call:                                                      */
   /*                                                                       */