Inserting a comma for better readability (#24169)

docs/sources/variables/repeat-panels-or-rows.md

@@ -13,7 +13,7 @@ weight = 400
 Grafana lets you create dynamic dashboards using _template variables_. Any variables in your queries expands to the current value of the variable before the query is sent to the database. Variables let you reuse a single dashboard for all your services.
 
 Template variables can be very useful to dynamically change your queries across a whole dashboard. If you want
-Grafana to dynamically create new panels or rows based on what values you have selected you can use the *Repeat* feature.
+Grafana to dynamically create new panels or rows based on what values you have selected, you can use the *Repeat* feature.
 
 ## Repeating panels
 
@@ -46,4 +46,4 @@ you want to repeat the row for.
 
 It may be a good idea to use a variable in the row title as well.
 
-Example: [Repeated Rows Dashboard](https://play.grafana.org/dashboard/db/repeated-rows)
+Example: [Repeated Rows Dashboard](https://play.grafana.org/dashboard/db/repeated-rows)