diff --git a/store/src/main/java/org/apache/rocketmq/store/CommitLog.java b/store/src/main/java/org/apache/rocketmq/store/CommitLog.java
index 260f021aed7..f4eec36853d 100644
--- a/store/src/main/java/org/apache/rocketmq/store/CommitLog.java
+++ b/store/src/main/java/org/apache/rocketmq/store/CommitLog.java
@@ -2092,7 +2092,7 @@ public AppendMessageResult doAppend(final long fileFromOffset, final ByteBuffer
 
             final long beginTimeMills = CommitLog.this.defaultMessageStore.now();
             CommitLog.this.getMessageStore().getPerfCounter().startTick("WRITE_MEMORY_TIME_MS");
-            // Write messages to the queue buffer
+            // Append the encoded message to the current CommitLog buffer
             byteBuffer.put(preEncodeBuffer);
             CommitLog.this.getMessageStore().getPerfCounter().endTick("WRITE_MEMORY_TIME_MS");
             msgInner.setEncodedBuff(null);