diff --git a/src/main/java/emu/grasscutter/task/Task.java b/src/main/java/emu/grasscutter/task/Task.java
index 88c0ac20c..6ff71b943 100644
--- a/src/main/java/emu/grasscutter/task/Task.java
+++ b/src/main/java/emu/grasscutter/task/Task.java
@@ -3,6 +3,20 @@ package emu.grasscutter.task;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
+
+/*
+* So what is cron expression?
+* Check this: https://en.wikipedia.org/wiki/Cron
+# ┌───────────── minute (0 - 59)
+# │ ┌───────────── hour (0 - 23)
+# │ │ ┌───────────── day of the month (1 - 31)
+# │ │ │ ┌───────────── month (1 - 12)
+# │ │ │ │ ┌───────────── day of the week (0 - 6) (Sunday to Saturday;
+# │ │ │ │ │                                   7 is also Sunday on some systems)
+# │ │ │ │ │
+# │ │ │ │ │
+# * * * * *
+* */
 @Retention(RetentionPolicy.RUNTIME)
 public @interface Task {
     String taskName() default "NO_NAME";
diff --git a/src/main/java/emu/grasscutter/task/TaskMap.java b/src/main/java/emu/grasscutter/task/TaskMap.java
index 95be8bb70..3da550a67 100644
--- a/src/main/java/emu/grasscutter/task/TaskMap.java
+++ b/src/main/java/emu/grasscutter/task/TaskMap.java
@@ -79,7 +79,6 @@ public final class TaskMap {
     private void scan() {
         Reflections reflector = Grasscutter.reflector;
         Set<Class<?>> classes = reflector.getTypesAnnotatedWith(Task.class);
-        System.out.println("Found " + classes.size() + " tasks.");
         classes.forEach(annotated -> {
             try {
                 Task taskData = annotated.getAnnotation(Task.class);
diff --git a/src/main/java/emu/grasscutter/task/tasks/MoonCard.java b/src/main/java/emu/grasscutter/task/tasks/MoonCard.java
index 71121bcc2..26f7b9788 100644
--- a/src/main/java/emu/grasscutter/task/tasks/MoonCard.java
+++ b/src/main/java/emu/grasscutter/task/tasks/MoonCard.java
@@ -11,6 +11,7 @@ import org.quartz.JobExecutionContext;
 import org.quartz.JobExecutionException;
 
 @Task(taskName = "MoonCard", taskCronExpression = "0 0 0 * * ?", triggerName = "MoonCardTrigger")
+// taskCronExpression: Fixed time period: 0:0:0 every day (twenty-four hour system)
 public final class MoonCard implements TaskHandler {
     @Override
     public void execute(JobExecutionContext context) throws JobExecutionException {