[Imporvement] Improve the MasterCofnig module comments of dolphinscheduler (#16134)

Co-authored-by: xiangzihao <460888207@qq.com>

dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/config/MasterConfig.java

@@ -96,10 +96,14 @@ public class MasterConfig implements Validator {
 
     private CommandFetchStrategy commandFetchStrategy = new CommandFetchStrategy();
 
-    // ip:listenPort
+    /**
+     * The IP address and listening port of the master server in the format 'ip:listenPort'.
+     */
     private String masterAddress;
 
-    // /nodes/master/ip:listenPort
+    /**
+     * The registry path for the master server in the format '/nodes/master/ip:listenPort'.
+     */
     private String masterRegistryPath;
 
     @Override