Polishing (backported from master)

spring-webmvc/src/main/java/org/springframework/web/servlet/handler/HandlerMappingIntrospector.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -89,7 +89,7 @@ public class HandlerMappingIntrospector
 
 
 	/**
-	 * Return the configured HandlerMapping's.
+	 * Return the configured or detected {@code HandlerMapping}s.
 	 */
 	public List<HandlerMapping> getHandlerMappings() {
 		return (this.handlerMappings != null ? this.handlerMappings : Collections.emptyList());