diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 57b250fdb..e46f02fac 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -646,7 +646,7 @@ FT_BEGIN_HEADER
    *
    * @note:
    *   Despite the name, this enumeration lists specific character
-   *   repertories (i.e., charsets), and not text encoding methods (e.g.,
+   *   repertoires (i.e., charsets), and not text encoding methods (e.g.,
    *   UTF-8, UTF-16, etc.).
    *
    *   Other encodings might be defined in the future.
@@ -779,7 +779,7 @@ FT_BEGIN_HEADER
    *   `encoding_id`.  If, for example, `encoding_id` is `TT_MAC_ID_ROMAN`
    *   and the language ID (minus~1) is `TT_MAC_LANGID_GREEK`, it is the
    *   Greek encoding, not Roman.  `TT_MAC_ID_ARABIC` with
-   *   `TT_MAC_LANGID_FARSI` means the Farsi variant the Arabic encoding.
+   *   `TT_MAC_LANGID_FARSI` means the Farsi variant of the Arabic encoding.
    */
   typedef enum  FT_Encoding_
   {
@@ -1167,9 +1167,9 @@ FT_BEGIN_HEADER
    *   FT_FACE_FLAG_KERNING ::
    *     The face contains kerning information.  If set, the kerning distance
    *     can be retrieved using the function @FT_Get_Kerning.  Otherwise the
-   *     function always return the vector (0,0).  Note that FreeType doesn't
-   *     handle kerning data from the SFNT 'GPOS' table (as present in many
-   *     OpenType fonts).
+   *     function always returns the vector (0,0).  Note that FreeType
+   *     doesn't handle kerning data from the SFNT 'GPOS' table (as present
+   *     in many OpenType fonts).
    *
    *   FT_FACE_FLAG_FAST_GLYPHS ::
    *     THIS FLAG IS DEPRECATED.  DO NOT USE OR TEST IT.
@@ -3077,7 +3077,7 @@ FT_BEGIN_HEADER
    *
    *   FT_LOAD_NO_HINTING ::
    *     Disable hinting.  This generally generates 'blurrier' bitmap glyphs
-   *     when the glyph are rendered in any of the anti-aliased modes.  See
+   *     when the glyphs are rendered in any of the anti-aliased modes.  See
    *     also the note below.
    *
    *     This flag is implied by @FT_LOAD_NO_SCALE.
@@ -3434,7 +3434,7 @@ FT_BEGIN_HEADER
    *     are not interested in the value.
    *
    *   delta ::
-   *     A pointer a translation vector.  Set this to NULL if you are not
+   *     A pointer to a translation vector.  Set this to NULL if you are not
    *     interested in the value.
    *
    * @since:
@@ -3559,9 +3559,10 @@ FT_BEGIN_HEADER
    *
    *   2. The `sdf` rasterizer has limited support for handling intersecting
    *      contours and *cannot* handle self-intersecting contours whatsoever.
-   *      Self-intersection happens when a single connected contour intersect
-   *      itself at some point; having these in your font definitely pose a
-   *      problem to the rasterizer and cause artifacts, too.
+   *      Self-intersection happens when a single connected contour
+   *      intersects itself at some point; having these in your font
+   *      definitely poses a problem to the rasterizer and cause artifacts,
+   *      too.
    *
    *   3. Generating SDF for really small glyphs may result in undesirable
    *      output; the pixel grid (which stores distance information) becomes
diff --git a/include/freetype/ftcolor.h b/include/freetype/ftcolor.h
index 17f1dd89c..43b4bdaec 100644
--- a/include/freetype/ftcolor.h
+++ b/include/freetype/ftcolor.h
@@ -475,7 +475,7 @@ FT_BEGIN_HEADER
    *   extensions to the 'COLR' table, see
    *   'https://github.com/googlefonts/colr-gradients-spec'.
    *
-   *   The enumeration values losely correspond with the format numbers of
+   *   The enumeration values loosely correspond with the format numbers of
    *   the specification: FreeType always returns a fully specified 'Paint'
    *   structure for the 'Transform', 'Translate', 'Scale', 'Rotate', and
    *   'Skew' table types even though the specification has different formats
@@ -916,8 +916,7 @@ FT_BEGIN_HEADER
    *   A structure representing a `PaintRadialGradient` value of the 'COLR'
    *   v1 extensions, see
    *   'https://github.com/googlefonts/colr-gradients-spec'.  The glyph
-   *   layer filled with this paint is drawn filled filled with a radial
-   *   gradient.
+   *   layer filled with this paint is drawn filled with a radial gradient.
    *
    * @fields:
    *   colorline ::
@@ -1202,7 +1201,7 @@ FT_BEGIN_HEADER
    *
    *   center_x ::
    *     The x~coordinate of the pivot point of the rotation in font
-   *     units) represented as a 16.16 fixed-point value.
+   *     units represented as a 16.16 fixed-point value.
    *
    *   center_y ::
    *     The y~coordinate of the pivot point of the rotation in font
@@ -1283,9 +1282,8 @@ FT_BEGIN_HEADER
    *   FT_PaintComposite
    *
    * @description:
-   *   A structure representing a 'COLR'v1 `PaintComposite` paint table.
-   *   Used for compositing two paints in a 'COLR' v1 directed acycling
-   *   graph.
+   *   A structure representing a 'COLR' v1 `PaintComposite` paint table.
+   *   Used for compositing two paints in a 'COLR' v1 directed acyclic graph.
    *
    * @fields:
    *   source_paint ::
diff --git a/include/freetype/fterrors.h b/include/freetype/fterrors.h
index ff1b375d7..7da29b75d 100644
--- a/include/freetype/fterrors.h
+++ b/include/freetype/fterrors.h
@@ -29,7 +29,7 @@
    *
    * @description:
    *   The header file `fterrors.h` (which is automatically included by
-   *   `freetype.h` defines the handling of FreeType's enumeration
+   *   `freetype.h`) defines the handling of FreeType's enumeration
    *   constants.  It can also be used to generate error message strings
    *   with a small macro trick explained below.
    *