Improve misleading documentation note.
diff --git a/include/freetype/tttables.h b/include/freetype/tttables.h
index 02236c2..ec52c06 100644
--- a/include/freetype/tttables.h
+++ b/include/freetype/tttables.h
@@ -702,7 +702,8 @@ FT_BEGIN_HEADER
* FreeType error code. 0~means success.
*
* @note:
- * SFNT tables with length zero are treated as missing.
+ * While parsing fonts, FreeType handles SFNT tables with length zero as
+ * missing.
*
*/
FT_EXPORT( FT_Error )