Docs: Change grafana to Grafana (#28242)

Hi - Made minor change grafana to Grafana.

Thanks,
Ashish

docs/sources/administration/configuration.md

@@ -179,7 +179,7 @@ Directory where Grafana automatically scans and looks for plugins. Manually or a
 
 ### provisioning
 
-Folder that contains [provisioning]({{< relref "provisioning.md" >}}) config files that grafana will apply on startup. Dashboards will be reloaded when the json files changes.
+Folder that contains [provisioning]({{< relref "provisioning.md" >}}) config files that Grafana will apply on startup. Dashboards will be reloaded when the json files changes.
 
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