diff --git a/Composite-MLKEM-2024.asn b/Composite-MLKEM-2024.asn
index 402f33b..2c63b9b 100644
--- a/Composite-MLKEM-2024.asn
+++ b/Composite-MLKEM-2024.asn
@@ -268,6 +268,11 @@ kema-MLKEM1024-X448 KEM-ALGORITHM ::=
 -- Expand the S/MIME capabilities set used by CMS [RFC5911]
 --
 
+-- TODO: this doesn't compile, error:
+-- "The referenced object 'sa-ml-dsa-87' in the 'ValueFromObject' 
+-- syntax with the field '&smimeCaps' is invalid or does not exist."
+-- We need help from an SMIME expert
+
 SMimeCaps SMIME-CAPS ::=
     { kema-MLKEM768-RSA2048.&smimeCaps |
       kema-MLKEM768-RSA3072.&smimeCaps |