Various minor doc fixes.

include/freetype/ftglyph.h

@@ -584,9 +584,9 @@ FT_BEGIN_HEADER
    *   The glyph image is translated with the `origin` vector before
    *   rendering.
    *
-   *   The first parameter is a pointer to an @FT_Glyph handle, that will be
+   *   The first parameter is a pointer to an @FT_Glyph handle that will be
    *   _replaced_ by this function (with newly allocated data).  Typically,
-   *   you would use (omitting error handling):
+   *   you would do something like the following (omitting error handling).
    *
    *   ```
    *     FT_Glyph        glyph;
@@ -618,7 +618,7 @@ FT_BEGIN_HEADER
    *     FT_Done_Glyph( glyph );
    *   ```
    *
-   *   Here is another example, again without error handling:
+   *   Here is another example, again without error handling.
    *
    *   ```
    *     FT_Glyph  glyphs[MAX_GLYPHS]

src/truetype/ttgload.c

@@ -2787,11 +2787,12 @@
    *   A function used to load a single glyph within a given glyph slot,
    *   for a given size.
    *
-   * @Input:
+   * @InOut:
    *   glyph ::
    *     A handle to a target slot object where the glyph
    *     will be loaded.
    *
+   * @Input:
    *   size ::
    *     A handle to the source face size at which the glyph
    *     must be scaled/loaded.