Typos.
diff --git a/ChangeLog.21 b/ChangeLog.21
index df7ce65..c36da8f 100644
--- a/ChangeLog.21
+++ b/ChangeLog.21
@@ -1819,7 +1819,7 @@
 2004-08-11  Detlef Würkner  <TetiSoft@apg.lahn.de>
 
 	* src/base/ftrfork.c (FT_Raccess_Guess)
-	[!FT_CONFIG_OPTION_GUESSING_EMBEDDED_FORK]: Remove compiler
+	[!FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK]: Remove compiler
 	warnings.
 
 2004-08-06  Adam Piotrowski  <st_intel@poczta.onet.pl>
@@ -4749,8 +4749,7 @@
 	* include/freetype/ttunpat.h: Fixing documentation comment.
 
 	* include/freetype/config/ftoption.h, devel/ftoption.h
-	(TT_CONFIG_OPTION_OPTION_COMPILE_UNPATENTED_HINTING): Replaced
-	with...
+	(TT_CONFIG_OPTION_COMPILE_UNPATENTED_HINTING): Replaced with...
 	(TT_CONFIG_OPTION_UNPATENTED_HINTING): This.  Updated all users.
 	(TT_CONFIG_OPTION_FORCE_UNPATENTED_HINTING): Removed.
 
diff --git a/ChangeLog.23 b/ChangeLog.23
index 0cebab8..834f34d 100644
--- a/ChangeLog.23
+++ b/ChangeLog.23
@@ -4861,7 +4861,7 @@
 2008-04-14  Werner Lemberg  <wl@gnu.org>
 
 	* src/pcf/pcfdrivr.c (PCF_Face_Init): Protect call to
-	`FT_Stream_OpenLZW' with `FT_CONFIG_OPTION_USE_LZ'.  From Savannah
+	`FT_Stream_OpenLZW' with `FT_CONFIG_OPTION_USE_LZW'.  From Savannah
 	bug #22909.
 
 2008-04-13  Werner Lemberg  <wl@gnu.org>
@@ -7857,7 +7857,7 @@
 2006-05-18  Werner Lemberg  <wl@gnu.org>
 
 	* src/truetype/ttgload.c (TT_Load_Composite_Glyph)
-	[FT_CONFIG_OPTION_BYTECODE_INTERPRETER]: Make it compilable again.
+	[TT_CONFIG_OPTION_BYTECODE_INTERPRETER]: Make it compilable again.
 
 2006-05-17  David Turner  <david@freetype.org>
 
diff --git a/include/freetype/ftttdrv.h b/include/freetype/ftttdrv.h
index 79e3e6e..50e1b24 100644
--- a/include/freetype/ftttdrv.h
+++ b/include/freetype/ftttdrv.h
@@ -225,7 +225,7 @@
    *   filtering.
    *
    *   If FreeType has not been compiled with the configuration option
-   *   FT_CONFIG_OPTION_SUBPIXEL_HINTING, selecting version~38 or~40 causes
+   *   TT_CONFIG_OPTION_SUBPIXEL_HINTING, selecting version~38 or~40 causes
    *   an `FT_Err_Unimplemented_Feature' error.
    *
    *   Depending on the graphics framework, Microsoft uses different