diff --git a/internal/proxy/metrics_info.go b/internal/proxy/metrics_info.go
index 1dbf889fe9..421918382d 100644
--- a/internal/proxy/metrics_info.go
+++ b/internal/proxy/metrics_info.go
@@ -285,7 +285,7 @@ func getSystemInfoMetrics(
 			})
 		}
 
-		// add data coord to system topology graph
+		// add DataCoord to system topology graph
 		systemTopology.NodesInfo = append(systemTopology.NodesInfo, dataCoordTopologyNode)
 	}