diff --git a/deployments/monitor/grafana/milvus-dashboard.json b/deployments/monitor/grafana/milvus-dashboard.json
index c27b4a4205..0ffd559f89 100644
--- a/deployments/monitor/grafana/milvus-dashboard.json
+++ b/deployments/monitor/grafana/milvus-dashboard.json
@@ -4641,7 +4641,7 @@
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "OS  Threads",
+      "title": "OS Threads",
       "tooltip": {
         "shared": true,
         "sort": 0,