Missing space in mismatch description #15

import org.junit.Test;

import java.util.Optional;

import static co.unruly.matchers.OptionalMatchers.contains;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;

public class OptionalMatcherTest {

    @Test
    public void show_the_bug() {
        assertThat(Optional.of("foo"), contains(equalTo("bar")));
    }
}