Polishing.

Refine Javadoc.

See #4023
Original pull request: #4024

Author: mp911de

spring-data-jpa/src/main/java/org/springframework/data/jpa/domain/SpecificationComposition.java

@@ -31,8 +31,8 @@
  * @author Oliver Gierke
  * @author Jens Schauder
  * @author Mark Paluch
- * @see Specification
  * @since 2.2
+ * @see Specification
  */
 class SpecificationComposition {
 

spring-data-jpa/src/test/java/org/springframework/data/jpa/domain/SpecificationUnitTests.java

@@ -217,7 +217,7 @@ void orCombinesSpecificationsInOrder() {
 	@Test // GH-3849, GH-4023
 	void notWithNullPredicate() {
 
-		Specification<Object> notSpec = Specification.not(Specification.unrestricted());
+		Specification<Object> notSpec = Specification.not(Specification.where(null));
 
 		assertThat(notSpec.toPredicate(root, query, builder)).isNull();
 		verifyNoInteractions(builder);