diff --git a/deployments/monitor/grafana/milvus-dashboard.json b/deployments/monitor/grafana/milvus-dashboard.json
index f6633346f0..449331ca08 100644
--- a/deployments/monitor/grafana/milvus-dashboard.json
+++ b/deployments/monitor/grafana/milvus-dashboard.json
@@ -3732,7 +3732,7 @@
       "dashLength": 10,
       "dashes": false,
       "datasource": "$datasource",
-      "description": "per-minute rate of watch_dm_channels",
+      "description": "per-minute increasing rate of watch_dm_channels requests",
       "fieldConfig": {
         "defaults": {},
         "overrides": []