diff --git a/mini_al.h b/mini_al.h
index 4a6df92d..d32572ac 100644
--- a/mini_al.h
+++ b/mini_al.h
@@ -3870,6 +3870,7 @@ mal_uint32 mal_get_sample_size_in_bytes(mal_format format)
 
 // TODO
 // ====
+// - Add support for channel mapping.
 //
 // ALSA
 // ----