DATAJPA-796 - Fix Java doc comment in AbstractPersistable.

src/main/java/org/springframework/data/jpa/domain/AbstractPersistable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2014 the original author or authors.
+ * Copyright 2008-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,7 +30,7 @@ import org.springframework.data.domain.Persistable;
  * 
  * @author Oliver Gierke
  * @author Thomas Darimont
- * @param <PK> the the of the entity
+ * @param <PK> the type of the identifier.
  */
 @MappedSuperclass
 public abstract class AbstractPersistable<PK extends Serializable> implements Persistable<PK> {