diff --git a/transport/src/main/java/io/netty/channel/SimpleChannelInboundHandler.java b/transport/src/main/java/io/netty/channel/SimpleChannelInboundHandler.java
index e596f112aa..75346a6a07 100644
--- a/transport/src/main/java/io/netty/channel/SimpleChannelInboundHandler.java
+++ b/transport/src/main/java/io/netty/channel/SimpleChannelInboundHandler.java
@@ -35,7 +35,9 @@ import io.netty.util.internal.TypeParameterMatcher;
  *     }
  * </pre>
  *
- * Be aware that depending of the constructor parameters it will release all handled messages.
+ * Be aware that depending of the constructor parameters it will release all handled messages by pass them to
+ * {@link ReferenceCountUtil#release(Object)}. In this case you may need to use
+ * {@link ReferenceCountUtil#retain(Object)} if you pass the object to the next handler in the {@link ChannelPipeline}.
  *
  * <h3>Backward compatibility consideration</h3>
  * <p>