diff --git a/pkg/urbit/vere/io/khan.c b/pkg/urbit/vere/io/khan.c
index db0e1f290..0d550877a 100644
--- a/pkg/urbit/vere/io/khan.c
+++ b/pkg/urbit/vere/io/khan.c
@@ -15,9 +15,9 @@
 **  be returned along with the response, to allow correlating
 **  responses to simultaneous requests. (any request that may
 **  take more than a single arvo event is not guaranteed to
-**  return in order.) its use is optional, and 0 may be supplied
+**  return in order.) it may be reused; e.g. 0 could be supplied
 **  every time for a client that never sends simultaneous
-**  requests.
+**  requests or that doesn't care about responses.
 **
 **  %fyrd is a request to run a thread. its arguments are
 **  described in the %khan vane, which handles these. it produces
@@ -591,9 +591,6 @@ _khan_ef_handle(u3_khan*  kan_u,
 {
   u3_chan* can_u;
 
-  //  TODO: socket events (close connection; any others?)
-  //
-
   if ( 0 != (can_u = _khan_find_chan(kan_u, sev_l, coq_l)) ) {
     if ( c3__avow == tag ) {
       _khan_send_noun(can_u, u3nt(rid_l, c3__avow, u3k(dat)));