diff --git a/src/pg_type.ml b/src/pg_type.ml
index d2fe58f3..8c2f0298 100644
--- a/src/pg_type.ml
+++ b/src/pg_type.ml
@@ -44,8 +44,8 @@ include struct
 end
 
 (* TODO revoked_sig
-   mark revoked_sig as `Unknown if we didn't fetch it instead of None as default
-   or always LEFT JOIN on signkey_revocations table? *)
+   revoked_sig default to None, but could actually be revoked
+   always do a LEFT JOIN on signkey_revocations table? *)
 let signkey_data =
   let master_sig = Bin_sig.ExchangeSigningKeyValidity.caqti in
   custom