diff --git a/spring-caching/src/main/java/com/baeldung/springdatacaching/repositories/BookRepository.java b/spring-caching/src/main/java/com/baeldung/springdatacaching/repositories/BookRepository.java
index d7f80b8b57..4b40fd4060 100644
--- a/spring-caching/src/main/java/com/baeldung/springdatacaching/repositories/BookRepository.java
+++ b/spring-caching/src/main/java/com/baeldung/springdatacaching/repositories/BookRepository.java
@@ -9,7 +9,7 @@ import java.util.UUID;
 
 public interface BookRepository extends CrudRepository<Book, UUID> {
 
-    @Cacheable(value = "books", unless="#a0=='Foundation'")
+    @Cacheable(value = "books", unless = "#a0=='Foundation'")
     Optional<Book> findFirstByTitle(String title);
 
 }