Fix formatting

Author: snicoll

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionalOnProperty.java

@@ -75,7 +75,8 @@
  * <p>
  * This condition cannot be reliably used for matching collection properties. For example,
  * in the following configuration, the condition matches if {@code spring.example.values}
- * is present in the {@link Environment} but does not match if {@code spring.example.values[0]} is present.
+ * is present in the {@link Environment} but does not match if
+ * {@code spring.example.values[0]} is present.
  *
  * <pre class="code">
  * &#064;ConditionalOnProperty(prefix = "spring", name = "example.values")