docs/sources/features/datasources/graphite.md: Fix typos

docs/sources/features/datasources/graphite.md

@@ -87,8 +87,8 @@ this consolidation is done using `avg` function. You can control how Graphite co
 
 ## Templating
 
-Instead of hard-coding things like server, application and sensor name in you metric queries you can use variables in their place.
-Variables are shown as dropdown select boxes at the top of the dashboard. These dropdowns makes it easy to change the data
+Instead of hard-coding things like server, application and sensor name in your metric queries you can use variables in their place.
+Variables are shown as dropdown select boxes at the top of the dashboard. These dropdowns make it easy to change the data
 being displayed in your dashboard.
 
 Check out the [Templating]({{< relref "../../reference/templating.md" >}}) documentation for an introduction to the templating feature and the different