diff --git a/grafana/dashboards/charges.json b/grafana/dashboards/charges.json
index 8ebdcea026..d78c87ae05 100644
--- a/grafana/dashboards/charges.json
+++ b/grafana/dashboards/charges.json
@@ -715,7 +715,7 @@
               },
               {
                 "id": "displayName",
-                "value": "Cost per kWh"
+                "value": "Cost/kWh"
               },
               {
                 "id": "custom.width",