diff --git a/transport/src/main/java/io/netty/channel/ChannelConfig.java b/transport/src/main/java/io/netty/channel/ChannelConfig.java
index b7ec03c45e..7871285cd0 100644
--- a/transport/src/main/java/io/netty/channel/ChannelConfig.java
+++ b/transport/src/main/java/io/netty/channel/ChannelConfig.java
@@ -245,7 +245,7 @@ public interface ChannelConfig {
     MessageSizeEstimator getMessageSizeEstimator();
 
     /**
-     * Set the {@link ByteBufAllocator} which is used for the channel
+     * Set the {@link MessageSizeEstimator} which is used for the channel
      * to detect the size of a message.
      */
     ChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator);