README: update ByteSequence usage in README.md
@@ -41,8 +41,8 @@ dependencies {
Client client = Client.builder().endpoints("http://localhost:2379").build();
KV kvClient = client.getKVClient();
-ByteSequence key = ByteSequence.fromString("test_key");
-ByteSequence value = ByteSequence.fromString("test_value");
+ByteSequence key = ByteSequence.from("test_key".getBytes());
+ByteSequence value = ByteSequence.from("test_value".getBytes());
// put the key-value
kvClient.put(key, value).get();
