Merge pull request #50699 from leestana01

* fix-gelf-properties-javadoc:
  Fix Javadoc for GraylogExtendedLogFormatProperties

Closes gh-50699

Author: snicoll

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/structured/GraylogExtendedLogFormatProperties.java

@@ -25,10 +25,10 @@
 import org.springframework.util.StringUtils;
 
 /**
- * Service details for Graylog Extended Log Format structured logging.
+ * Properties for Graylog Extended Log Format structured logging.
  *
  * @param host the application name
- * @param service the version of the application
+ * @param service service details
  * @author Samuel Lissner
  * @author Phillip Webb
  * @since 3.4.0