Updated Using S3Proxy in Java projects (markdown)

Using-S3Proxy-in-Java-projects.md

@@ -90,7 +90,7 @@ public void example() {
                 new BasicAWSCredentials(s3Proxy.getAccessKey(), 
                                         s3Proxy.getSecretKey())))
             .withEndpointConfiguration(
-              new EndpointConfiguration(s3Proxy.getUri().toString(), 
+              new AwsClientBuilder.EndpointConfiguration(s3Proxy.getUri().toString(), 
                                         Regions.US_EAST_1.getName()))
             .build();
     s3Client.createBucket("test_bucket");