Minor doc fixes.

ChangeLog

@@ -3,7 +3,7 @@
 	* src/base/ftbitmap.c (FT_Bitmap_Blend): No fractional offsets.
 
 	The function only provided a framework without an actual
-	implementation, which this commits removes.
+	implementation, which this commit removes.
 
 2019-02-23  Werner Lemberg  <wl@gnu.org>
 

include/freetype/freetype.h

@@ -3289,7 +3289,7 @@ FT_BEGIN_HEADER
    *     @FT_Render_Mode for a list of possible values.
    *
    *     If @FT_RENDER_MODE_NORMAL is used, a previous call of @FT_Load_Glyph
-   *     with flag @FT_LOAD_COLOR makes the FT_Render_Glyph provide a default
+   *     with flag @FT_LOAD_COLOR makes FT_Render_Glyph provide a default
    *     blending of colored glyph layers associated with the current glyph
    *     slot (provided the font contains such layers) instead of rendering
    *     the glyph slot's outline.  This is an experimental feature; see
@@ -3859,7 +3859,7 @@ FT_BEGIN_HEADER
    *   FreeType error code.  0~means success.
    *
    * @example:
-   *   Here an example that sets three properties.  You must define
+   *   Here is an example that sets three properties.  You must define
    *   `FT_CONFIG_OPTION_SUBPIXEL_RENDERING` to make the LCD filter examples
    *   work.
    *

include/freetype/ftglyph.h

@@ -533,7 +533,7 @@ FT_BEGIN_HEADER
    *     FT_Done_Glyph( glyph );
    *   ```
    *
-   *   Here another example, again without error handling:
+   *   Here is another example, again without error handling:
    *
    *   ```
    *     FT_Glyph  glyphs[MAX_GLYPHS]

include/freetype/tttables.h

@@ -673,7 +673,7 @@ FT_BEGIN_HEADER
    *   list.
    *
    * @example:
-   *   Here an example how to access the 'vhea' table.
+   *   Here is an example demonstrating access to the 'vhea' table.
    *
    *   ```
    *     TT_VertHeader*  vert_header;