diff --git a/org.springframework.web/src/main/java/org/springframework/web/bind/annotation/RequestMapping.java b/org.springframework.web/src/main/java/org/springframework/web/bind/annotation/RequestMapping.java
index d3a77d2386..ce7ff2a48a 100644
--- a/org.springframework.web/src/main/java/org/springframework/web/bind/annotation/RequestMapping.java
+++ b/org.springframework.web/src/main/java/org/springframework/web/bind/annotation/RequestMapping.java
@@ -76,7 +76,10 @@ import java.lang.annotation.Target;
* converted to the declared method argument type.
*
{@link RequestParam @RequestParam} annotated parameters for access to
* specific Servlet/Portlet request parameters. Parameter values will be
- * converted to the declared method argument type.
+ * converted to the declared method argument type. Additionally,
+ * {@code RequestParam @RequestParam} can be used on a {@link java.util.Map Map} or
+ * {@link org.springframework.util.MultiValueMap MultiValueMap} to gain access
+ * to all request parameters.
* {@link RequestHeader @RequestHeader} annotated parameters for access to
* specific Servlet/Portlet request HTTP headers. Parameter values will be
* converted to the declared method argument type.