docs: update add-template-variables docs (#65682)

correcting typo in "Filter and modify using named text and value capture groups" section

docs/sources/dashboards/variables/add-template-variables/index.md

@@ -591,7 +591,7 @@ This feature is available in Grafana 7.4+.
 
 Using named capture groups, you can capture separate 'text' and 'value' parts from the options returned by the variable query. This allows the variable drop-down list to contain a friendly name for each value that can be selected.
 
-For example, when querying the `node_hwmon_chip_names` Prometheus metric, the `chip_name` is a lot friendlier that the `chip` value. So the following variable query result:
+For example, when querying the `node_hwmon_chip_names` Prometheus metric, the `chip_name` is a lot friendlier than the `chip` value. So the following variable query result:
 
 ```text
 node_hwmon_chip_names{chip="0000:d7:00_0_0000:d8:00_0",chip_name="enp216s0f0np0"} 1