diff --git a/config/datanode.example.toml b/config/datanode.example.toml
index 1a5fb7ab37a8..ddea4523fe1b 100644
--- a/config/datanode.example.toml
+++ b/config/datanode.example.toml
@@ -8,8 +8,8 @@ rpc_addr = "127.0.0.1:3001"
 rpc_hostname = "127.0.0.1"
 # The number of gRPC server worker threads, 8 by default.
 rpc_runtime_size = 8
-# Start services after regions are coordinated. 
-# It will block the datanode start if it can't receive the heartbeat from metasrv.
+# Start services after regions have obtained leases.
+# It will block the datanode start if it can't receive leases in the heartbeat from metasrv.
 require_lease_before_startup = false
 
 [heartbeat]