Fixup indentation and backticks.

content/docs/visualization/grafana.md

@@ -63,6 +63,12 @@ The following shows an example Prometheus graph configuration:
 [![Prometheus graph creation](/assets/grafana_qps_graph.png)](/assets/grafana_qps_graph.png)
 
 ### Importing pre-built dashboards from Grafana.net
-Grafana.net maintains [a collection of shared dashboards](https://grafana.net/dashboards) which can be downloaded and used with standalone instances of Grafana.  Use the Grafana.net "Filter" option to browse dashboards for the "Prometheus" datasource only.
-
-You must currently manually edit the downloaded JSON files and correct the "datasource:" entries to reflect the Grafana data source name which you chose for your Prometheus server.  Use the "Dashboards" → "Home" → "Import" option to import the edited dashboard file into your Grafana install.
+Grafana.net maintains [a collection of shared dashboards](https://grafana.net/dashboards)
+which can be downloaded and used with standalone instances of Grafana.  Use
+the Grafana.net "Filter" option to browse dashboards for the "Prometheus"
+data source only.
+
+You must currently manually edit the downloaded JSON files and correct the
+`datasource:` entries to reflect the Grafana data source name which you
+chose for your Prometheus server.  Use the "Dashboards" → "Home" → "Import"
+option to import the edited dashboard file into your Grafana install.