message: Fix decrypting stream comment.
diff: @@ -32,9 +32,10 @@ class StreamingAeadDecryptingStream : public InputStream {
  public:
  // A factory that produces decrypting streams.
  // The returned stream is a wrapper around 'ciphertext_source',
  - // such that any bytes written via the wrapper are AEAD-decrypted
  - // by 'segment_decrypter' using 'associated_data' as associated
  - // authenticated data.
  + // such that reading via the wrapper leads to AEAD-decryption of the
  + // underlying ciphertext by 'segment_decrypter', using 'associated_data' as
  + // associated authenticated data, and the read bytes are bytes of the
  + // resulting plaintext.
  static
  crypto::tink::util::StatusOr<std::unique_ptr<crypto::tink::InputStream>>
  New(std::unique_ptr<StreamSegmentDecrypter> segment_decrypter,
  