Improve documentation for `FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH'.
diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 1dea3a5..865d299 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -2272,10 +2272,11 @@ FT_BEGIN_HEADER
*
* FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH ::
* Indicates that the glyph loader should ignore the global advance
- * width defined in the font. For historical reasons, FreeType uses
- * the value of the `advanceWidthMax' field in the `htmx' table for
- * all glyphs if the font is monospaced. Activating this flags makes
- * FreeType use the metric values given in the `htmx' table.
+ * width defined in the font. For historical reasons (to support
+ * buggy CJK fonts), FreeType uses the value of the `advanceWidthMax'
+ * field in the `htmx' table for all glyphs if the font is monospaced.
+ * Activating this flags makes FreeType use the metric values given in
+ * the `htmx' table.
*
* FT_LOAD_NO_RECURSE ::
* This flag is only used internally. It merely indicates that the