diff --git a/ChangeLog b/ChangeLog
index 8c08459ee..ea25cb9a1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -18,15 +18,15 @@
 
 2011-05-28  suzuki toshiya  <mpsuzuki@hiroshima-u.ac.jp>
 
-	[mac] Conditionalize the inclusion of "AvailabilityMacros.h".
+	[mac] Conditionalize the inclusion of `AvailabilityMacros.h'.
 
 	The native SDK on earliest Mac OS X (10.0-10.1) did not have 
-	"AvailabilityMacros.h".  To prevent the inclusion of missing
+	`AvailabilityMacros.h'.  To prevent the inclusion of missing
 	header file, ECANCELED (introduced in 10.2) in POSIX header
 	file <errno.h> is checked to detect the system version.
 
 	* include/freetype/config/ftconfig.h: Conditionalize the
-	inclusion of "AvailabilityMacros.h".
+	inclusion of `AvailabilityMacros.h'.
 	* builds/unix/ftconfig.in: Ditto.
 	* builds/vms/ftconfig.h: Ditto.
 
diff --git a/builds/unix/ftconfig.in b/builds/unix/ftconfig.in
index 50351a0d0..46ef6e1da 100644
--- a/builds/unix/ftconfig.in
+++ b/builds/unix/ftconfig.in
@@ -149,7 +149,7 @@ FT_BEGIN_HEADER
 #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \
     ( defined( __MWERKS__ ) && defined( macintosh )        )
   /* no Carbon frameworks for 64bit 10.4.x */
-  /* AvailabilityMacros.h was introduced since Mac OS X 10.2,      */
+  /* AvailabilityMacros.h is available since Mac OS X 10.2,        */
   /* so guess the system version by maximum errno before inclusion */
 #include <errno.h>
 #ifdef ECANCELED /* defined since 10.2 */
diff --git a/builds/vms/ftconfig.h b/builds/vms/ftconfig.h
index 49b60a2eb..aefb54483 100644
--- a/builds/vms/ftconfig.h
+++ b/builds/vms/ftconfig.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    VMS-specific configuration file (specification only).                */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008 by             */
+/*  Copyright 1996-2004, 2006-2008, 2011 by                                */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -102,7 +102,7 @@ FT_BEGIN_HEADER
 #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \
     ( defined( __MWERKS__ ) && defined( macintosh )        )
   /* no Carbon frameworks for 64bit 10.4.x */
-  /* AvailabilityMacros.h was introduced since Mac OS X 10.2,      */
+  /* AvailabilityMacros.h is available since Mac OS X 10.2,        */
   /* so guess the system version by maximum errno before inclusion */
 #include <errno.h>
 #ifdef ECANCELED /* defined since 10.2 */
diff --git a/include/freetype/config/ftconfig.h b/include/freetype/config/ftconfig.h
index 229719486..b30489676 100644
--- a/include/freetype/config/ftconfig.h
+++ b/include/freetype/config/ftconfig.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    ANSI-specific configuration file (specification only).               */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008, 2010 by       */
+/*  Copyright 1996-2004, 2006-2008, 2010-2011 by                           */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -127,7 +127,7 @@ FT_BEGIN_HEADER
 #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \
     ( defined( __MWERKS__ ) && defined( macintosh )        )
   /* no Carbon frameworks for 64bit 10.4.x */
-  /* AvailabilityMacros.h was introduced since Mac OS X 10.2,      */
+  /* AvailabilityMacros.h is available since Mac OS X 10.2,        */
   /* so guess the system version by maximum errno before inclusion */
 #include <errno.h>
 #ifdef ECANCELED /* defined since 10.2 */