Unicode != ISO in the earliest TTF terminology.
diff --git a/include/freetype/ttnameid.h b/include/freetype/ttnameid.h
index cbeac78..66aef04 100644
--- a/include/freetype/ttnameid.h
+++ b/include/freetype/ttnameid.h
@@ -64,7 +64,7 @@ FT_BEGIN_HEADER
* MacOS systems (even if they contain a Microsoft charmap as well).
*
* TT_PLATFORM_ISO ::
- * This value was used to specify Unicode charmaps. It is however
+ * This value was used to specify ISO/IEC 10646 charmaps. It is however
* now deprecated. See @TT_ISO_ID_XXX for a list of corresponding
* `encoding_id' values.
*