message: Fix a small typo in README.md
  ORIGINAL_AUTHOR=Thai Duong
  GitOrigin-RevId:
diff: @@ -133,7 +133,7 @@ You can accomplish common crypto operations such as data encryption, digital
  signatures, etc. with only a few lines of code. For example, to encrypt a
  piece of data using authenticated encryption you need only 3 lines of code:
  -``
  +```
  // 1. Read a keyset from some storage system
  KeysetHandle keysetHandle = KeysetHandle.newHandle(bytes);
  @@ -142,7 +142,7 @@ Aead aead = AeadFactory.getPrimitive(keysetHandle);
  // 3. Use the primitive.
  byte[] ciphertext = aead.encrypt(plaintext, associatedData);
  -``
  +```
  ### Composability
  