diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index 2f3a1db7c3..c2096e6a23 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -18,7 +18,7 @@
 etcd:
   endpoints:
     - localhost:2379
-  rootPath: by-dev
+  rootPath: by-dev # The root path where data is stored in etcd
   metaSubPath: meta # metaRootPath = rootPath + '/' + metaSubPath
   kvSubPath: kv # kvRootPath = rootPath + '/' + kvSubPath
   segmentBinlogSubPath: datacoord/binlog/segment  # Full Path = rootPath/metaSubPath/segmentBinlogSubPath