message: Clean up javadoc in KmsEnvelopeAead.java.
diff: @@ -25,14 +25,21 @@ import java.security.GeneralSecurityException;
  /**
  * This primitive implements <a href="https://cloud.google.com/kms/docs/data-encryption-keys">
  - * envelope encryption</a>. In envelope encryption, user generates a data encryption key (DEK)
  - * locally, encrypts data with DEK, sends DEK to a KMS to be encrypted (with a key managed by KMS),
  - * and stores encrypted DEK with encrypted data; at a later point user can retrieve encrypted data
  - * and DEK, use Storky to decrypt DEK, and use decrypted DEK to decrypt the data.
  - * The ciphertext structure is as follows:
  - * - Length of encrypted DEK: 4 bytes.
  - * - Encrypted DEK: variable length that is equal to the value specified in the last 4 bytes.
  - * - AEAD payload: variable length.
  + * envelope encryption</a>.
  + *
  + * <p>In envelope encryption, a user generates a data encryption key (DEK) locally, encrypts data
  + * with the DEK, sends the DEK to a KMS to be encrypted (with a key managed by KMS), and then stores
  + * the encrypted DEK with the encrypted data. At a later point, a user can retrieve the encrypted
  + * data and the encyrpted DEK, use the KMS to decrypt the DEK, and use the decrypted DEK to decrypt
  + * the data.
  + *
  + * <p>The ciphertext structure is as follows:
  + *
  + * <ul>
  + * <li>Length of the encrypted DEK: 4 bytes.
  + * <li>Encrypted DEK: variable length that is equal to the value specified in the last 4 bytes.
  + * <li>AEAD payload: variable length.
  + * </ul>
  */
  public final class KmsEnvelopeAead implements Aead {
  private static final byte[] EMPTY_AAD = new byte[0];
  