diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index 5ba93cfec8..0fd39f29dd 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -44,7 +44,7 @@ pulsar:
 
 rocksmq:
   path: /var/lib/milvus/rdb_data # The path where the message is stored in rocksmq
-  rocksmqPageSize: 2147483648 # 2 GB, 2 * 1024 * 1024 * 1024 bytes
+  rocksmqPageSize: 2147483648 # 2 GB, 2 * 1024 * 1024 * 1024 bytes, The size of each page of messages in rocksmq
   retentionTimeInMinutes: 10080 # 7 days, 7 * 24 * 60 minutes, The retention time of the message in rocksmq.
   retentionSizeInMB: 8192 # 8 GB, 8 * 1024 MB, The retention size of the message in rocksmq.