diff --git a/grafana-builder/grafana.libsonnet b/grafana-builder/grafana.libsonnet
index d58b51ec4..0bd0b3394 100644
--- a/grafana-builder/grafana.libsonnet
+++ b/grafana-builder/grafana.libsonnet
@@ -109,7 +109,7 @@
             value: datasource,
           },
           hide: 0,
-          label: 'Data Source',
+          label: 'Data source',
           name: 'datasource',
           options: [],
           query: 'prometheus',