diff --git a/deployments/monitor/grafana/milvus-dashboard.json b/deployments/monitor/grafana/milvus-dashboard.json
index 2c4f5d90234e05c3562b259b0215d5d8dd6cb883..2b8a5d9d4798a2c6dd3ed6e53b00118381b5f5ca 100644
--- a/deployments/monitor/grafana/milvus-dashboard.json
+++ b/deployments/monitor/grafana/milvus-dashboard.json
@@ -2557,7 +2557,7 @@
       "dashLength": 10,
       "dashes": false,
       "datasource": "$datasource",
-      "description": "per-second rate of describe_index as measured over the last 5 minutes",
+      "description": "per-minute rate of describe index",
       "fieldConfig": {
         "defaults": {},
         "overrides": []