Polish Javadoc in HtmlUnit support

spring-test/src/main/java/org/springframework/test/web/servlet/htmlunit/WebRequestMatcher.java

@@ -23,6 +23,8 @@ import com.gargoylesoftware.htmlunit.WebRequest;
  *
  * @author Rob Winch
  * @since 4.2
+ * @see org.springframework.test.web.servlet.htmlunit.HostRequestMatcher
+ * @see org.springframework.test.web.servlet.htmlunit.UrlRegexRequestMatcher
  */
 public interface WebRequestMatcher {
 

spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/DelegatingWebConnectionTests.java

@@ -50,6 +50,8 @@ import static org.junit.Assert.assertThat;
 import static org.mockito.Mockito.*;
 
 /**
+ * Unit and integration tests for {@link DelegatingWebConnection}.
+ *
  * @author Rob Winch
  * @since 4.2
  */