diff --git a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageBody.java b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageBody.java
index 8a8ba4e520..e233be9ba6 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageBody.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageBody.java
@@ -22,9 +22,12 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.springframework.messaging.Message;
+
 
 /**
- * Annotation indicating a method parameter should be bound to the body of a message.
+ * Annotation indicating a method parameter should be bound to the body of a
+ * {@link Message}.
  *
  * @author Rossen Stoyanchev
  * @since 4.0
diff --git a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageExceptionHandler.java b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageExceptionHandler.java
index c57fe76905..6fed9a259f 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageExceptionHandler.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageExceptionHandler.java
@@ -25,6 +25,10 @@ import java.lang.annotation.Target;
 
 
 /**
+ * Annotation for handling exceptions from message-handling methods within specific
+ * handler methods.
+ *
+ *
  * @author Rossen Stoyanchev
  * @since 4.0
  */
diff --git a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageMapping.java b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageMapping.java
index c2e385ac35..7184fae1a4 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageMapping.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/MessageMapping.java
@@ -22,7 +22,13 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.springframework.messaging.Message;
+
+
 /**
+ * Annotation for mapping a {@link Message} onto specific handler handler methods based on
+ * the destination for the message.
+ *
  * @author Rossen Stoyanchev
  * @since 4.0
  */
diff --git a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/ReplyTo.java b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/ReplyTo.java
index ee620b27d0..3273ee8fcd 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/ReplyTo.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/ReplyTo.java
@@ -22,8 +22,13 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.springframework.messaging.Message;
+
 
 /**
+ * Annotation that indicates a method's return value should be converted to
+ * a {@link Message} and sent to the specified destination.
+ *
  * @author Rossen Stoyanchev
  * @since 4.0
  */
diff --git a/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/ReplyToUser.java b/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/ReplyToUser.java
index 434a71b5c3..f6061b8f78 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/ReplyToUser.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/ReplyToUser.java
@@ -22,10 +22,23 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.springframework.messaging.Message;
+import org.springframework.messaging.simp.SimpMessageHeaderAccessor;
+
 
 /**
+ * Annotation that can be used on methods processing an input message to indicate that the
+ * method's return value should be converted to a {@link Message} and sent to the
+ * specified destination with the prefix <code>"/user/{username}"</code> automatically
+ * prepended with the user information expected to be the input message header
+ * {@link SimpMessageHeaderAccessor#USER_HEADER}. Such user destinations may need to be
+ * further resolved to actual destinations.
+ *
  * @author Rossen Stoyanchev
  * @since 4.0
+ *
+ * @see org.springframework.messaging.handler.annotation.ReplyTo
+ * @see org.springframework.messaging.simp.handler.UserDestinationMessageHandler
  */
 @Target(ElementType.METHOD)
 @Retention(RetentionPolicy.RUNTIME)
diff --git a/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/SubscribeEvent.java b/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/SubscribeEvent.java
index 65e368fee4..2fb9dfd22c 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/SubscribeEvent.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/SubscribeEvent.java
@@ -24,6 +24,9 @@ import java.lang.annotation.Target;
 
 
 /**
+ * Annotation for mapping subscription events onto specific handler handler methods based
+ * on the destination for the message (e.g. STOMP SUBSCRIBE message).
+ *
  * @author Rossen Stoyanchev
  * @since 4.0
  */
diff --git a/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/UnsubscribeEvent.java b/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/UnsubscribeEvent.java
index 8f6fa90fbb..629e7bc585 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/UnsubscribeEvent.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/UnsubscribeEvent.java
@@ -24,6 +24,9 @@ import java.lang.annotation.Target;
 
 
 /**
+ * Annotation for mapping unsubscribe events onto specific handler handler methods based
+ * on the destination for the message (e.g. STOMP UNSUBSCRIBE message).
+ *
  * @author Rossen Stoyanchev
  * @since 4.0
  */