message: Fix off-by-one comment, and minor reformat
diff: @@ -26,11 +26,11 @@ namespace quic {
  * it can fallback to default routing
  * Depending on version following mappings:
  * Version 1:
  - * Next 16 bits (3 - 17) are reserved for host id (L4 LB use)
  + * Next 16 bits (2 - 17) are reserved for host id (L4 LB use)
  * Next 8 bits (18 - 25) are reserved for worker id
  * Next bit 26 is reserved for the Quic server id: server id is used to
  * distinguish between the takeover instance and the taken over one
  - 0 1 2 3 4 5 .. 17 18 19 20 .. 25 26 27 28 ... 63
  + 0 1 2 3 4 .. 17 18 .. 25 26 27 28 .. 63
  |VERSION| For L4 LB | WORKER_ID | SERVER_ID | ..
  *
  * Version 2:
  