Use correct <a> tag syntax in javadoc @see tag

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=137946021

java/google/registry/model/eppinput/EppInput.java

@@ -398,7 +398,8 @@ public class EppInput extends ImmutableObject {
    * any other version doesn't validate. As a result, if we didn't do this here it would throw a
    * {@code SyntaxErrorException} when it failed to validate.
    *
-   * @see "http://tools.ietf.org/html/rfc5730#page-41"
+   * @see <a href="http://tools.ietf.org/html/rfc5730#page-41">
+   *     RFC 5730 - EPP - Command error responses</a>
    */
   public static class VersionAdapter extends XmlAdapter<String, String>  {
     @Override