Polish Javadoc for @Scheduled

spring-context/src/main/java/org/springframework/scheduling/annotation/Scheduled.java

 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,9 +24,9 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * An annotation that marks a method to be scheduled. Exactly one of
- * the {@link #cron()}, {@link #fixedDelay()}, or {@link #fixedRate()}
- * attributes must be specified.
+ * Annotation that marks a method to be scheduled. Exactly one of the
+ * {@link #cron}, {@link #fixedDelay}, or {@link #fixedRate} attributes must be
+ * specified.
  *
  * <p>The annotated method must expect no arguments. It will typically have
  * a {@code void} return type; if not, the returned value will be ignored
@@ -57,8 +57,8 @@ public @interface Scheduled {
 
 	/**
 	 * A special cron expression value that indicates a disabled trigger: {@value}.
-	 * <p>This is primarily meant for use with ${...} placeholders, allowing for
-	 * external disabling of corresponding scheduled methods.
+	 * <p>This is primarily meant for use with <code>${...}</code> placeholders,
+	 * allowing for external disabling of corresponding scheduled methods.
 	 * @since 5.1
 	 */
 	String CRON_DISABLED = "-";
@@ -66,9 +66,10 @@ public @interface Scheduled {
 
 	/**
 	 * A cron-like expression, extending the usual UN*X definition to include triggers
-	 * on the second, minute, hour, day of month, month and day of week.
-	 * <p>E.g. {@code "0 * * * * MON-FRI"} means once per minute on weekdays
-	 * (at the top of the minute - the 0th second). The order read from left to right is:
+	 * on the second, minute, hour, day of month, month, and day of week.
+	 * <p>For example, {@code "0 * * * * MON-FRI"} means once per minute on weekdays
+	 * (at the top of the minute - the 0th second).
+	 * <p>The fields read from left to right are interpreted as follows.
 	 * <ul>
 	 * <li>second</li>
 	 * <li>minute</li>
@@ -77,8 +78,9 @@ public @interface Scheduled {
 	 * <li>month</li>
 	 * <li>day of week</li>
 	 * </ul>
-	 * <p>The special value {@link #CRON_DISABLED "-"} indicates a disabled cron trigger,
-	 * primarily meant for externally specified values resolved by a ${...} placeholder.
+	 * <p>The special value {@link #CRON_DISABLED "-"} indicates a disabled cron
+	 * trigger, primarily meant for externally specified values resolved by a
+	 * <code>${...}</code> placeholder.
 	 * @return an expression that can be parsed to a cron schedule
 	 * @see org.springframework.scheduling.support.CronSequenceGenerator
 	 */
@@ -129,7 +131,7 @@ public @interface Scheduled {
 
 	/**
 	 * Number of milliseconds to delay before the first execution of a
-	 * {@link #fixedRate()} or {@link #fixedDelay()} task.
+	 * {@link #fixedRate} or {@link #fixedDelay} task.
 	 * @return the initial delay in milliseconds
 	 * @since 3.2
 	 */
@@ -137,7 +139,7 @@ public @interface Scheduled {
 
 	/**
 	 * Number of milliseconds to delay before the first execution of a
-	 * {@link #fixedRate()} or {@link #fixedDelay()} task.
+	 * {@link #fixedRate} or {@link #fixedDelay} task.
 	 * @return the initial delay in milliseconds as a String value, e.g. a placeholder
 	 * or a {@link java.time.Duration#parse java.time.Duration} compliant value
 	 * @since 3.2.2