message: Use the right label
diff: @@ -32,7 +32,7 @@ fn make_aead(cipher: Cipher) -> Aead {
  TLS_VERSION_1_3,
  cipher,
  &secret,
  - "server in ", // Note the trailing space here.
  + "quic ", // Note the trailing space here.
  )
  .expect("can make an AEAD")
  }
  