diff --git a/ChangeLog b/ChangeLog
index e96ec6101..51f3e1f96 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4541,7 +4541,7 @@
 2018-05-13  Shao Yu Zhang  <shaozhang@fb.com>
 	    Werner Lemberg  <wl@gnu.org>
 
-	[sfnt] Preliminary support of coloured layer outlines (#44689).
+	[sfnt] Preliminary support of colored layer outlines (#44689).
 
 	This commit enables OpenType's COLR/CPAL table handling; a typical
 	application are color emojis that can be scaled to any size.
diff --git a/ChangeLog.21 b/ChangeLog.21
index 3ed33baf2..f36f5b7fb 100644
--- a/ChangeLog.21
+++ b/ChangeLog.21
@@ -4799,11 +4799,11 @@
 	(chapter_inter, chapter_footer): Add <li> and use special <ul>
 	class.
 	Use double quotes around table widths given in percent.
-	(keyword_prefix, keyword_suffix): Don't change font colour directly
+	(keyword_prefix, keyword_suffix): Don't change font color directly
 	but use a new <span> class.
 	(section_synopsis_header, section_synopsis_footer): Don't change
-	colour.
-	(code_header, code_footer): Don't change font colour directly but
+	color.
+	(code_header, code_footer): Don't change font color directly but
 	use a special <pre> class.
 	(print_html_field): <tr> gets the `valign' attribute, not <table>.
 	(print_html_field_list): Ditto.
diff --git a/devel/ftoption.h b/devel/ftoption.h
index 1fd2e2c21..307d1a382 100644
--- a/devel/ftoption.h
+++ b/devel/ftoption.h
@@ -540,7 +540,7 @@ FT_BEGIN_HEADER
 
   /**************************************************************************
    *
-   * Define `TT_CONFIG_OPTION_COLOR_LAYERS` if you want to support coloured
+   * Define `TT_CONFIG_OPTION_COLOR_LAYERS` if you want to support colored
    * outlines (from the 'COLR'/'CPAL' tables) in all formats using the 'sfnt'
    * module (namely TrueType~& OpenType).
    */
diff --git a/include/freetype/config/ftoption.h b/include/freetype/config/ftoption.h
index fd686d954..097f19b8a 100644
--- a/include/freetype/config/ftoption.h
+++ b/include/freetype/config/ftoption.h
@@ -540,7 +540,7 @@ FT_BEGIN_HEADER
 
   /**************************************************************************
    *
-   * Define `TT_CONFIG_OPTION_COLOR_LAYERS` if you want to support coloured
+   * Define `TT_CONFIG_OPTION_COLOR_LAYERS` if you want to support colored
    * outlines (from the 'COLR'/'CPAL' tables) in all formats using the 'sfnt'
    * module (namely TrueType~& OpenType).
    */
diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 71e22a1d6..b1f4ed585 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -4074,7 +4074,7 @@ FT_BEGIN_HEADER
    *     https://docs.microsoft.com/en-us/typography/opentype/spec/colr
    *
    *   The glyph layer data for a given glyph index, if present, provides an
-   *   alternative, multi-colour glyph representation: Instead of rendering
+   *   alternative, multi-color glyph representation: Instead of rendering
    *   the outline or bitmap with the given glyph index, glyphs with the
    *   indices and colors returned by this function are rendered layer by
    *   layer.
diff --git a/include/freetype/ftadvanc.h b/include/freetype/ftadvanc.h
index 5050d3ac5..f166bc6f9 100644
--- a/include/freetype/ftadvanc.h
+++ b/include/freetype/ftadvanc.h
@@ -95,6 +95,7 @@ FT_BEGIN_HEADER
    *   load_flags ::
    *     A set of bit flags similar to those used when calling
    *     @FT_Load_Glyph, used to determine what kind of advances you need.
+   *
    * @output:
    *   padvance ::
    *     The advance value.  If scaling is performed (based on the value of
diff --git a/include/freetype/ftstroke.h b/include/freetype/ftstroke.h
index 1c5477c5a..a759c94dd 100644
--- a/include/freetype/ftstroke.h
+++ b/include/freetype/ftstroke.h
@@ -43,7 +43,7 @@ FT_BEGIN_HEADER
    *    borders of the stroke.
    *
    *    This can be useful to generate 'bordered' glyph, i.e., glyphs
-   *    displayed with a coloured (and anti-aliased) border around their
+   *    displayed with a colored (and anti-aliased) border around their
    *    shape.
    *
    * @order: