message: Fix typo in JavaDoc.
diff: @@ -33,7 +33,7 @@ public abstract class KeyFormat {
  *
  * <p>In Tink, certain keys change their behavior depending on the key id (for example, an {@link
  * Aead} object can prefix the ciphertext with the big endian encoding of the key id). If this is
  - * the case, such a key should require a unique id in {@link Key#getKeyRequirement} and return
  + * the case, such a key should require a unique id in {@link Key#getIdRequirement} and return
  * true here.
  */
  public abstract boolean hasIdRequirement();
  