tutorials: alerting > evaluation (#93981)

docs/sources/tutorials/alerting-get-started/index.md

@@ -223,10 +223,11 @@ In this section, we define queries, expressions (used to manipulate the data), a
 
 ### Set evaluation behavior
 
-An [evaluation group](https://grafana.com/docs/grafana/latest/alerting/fundamentals/alert-rules/rule-evaluation/) defines when an alert rule fires, and it’s based on two settings:
+The [alert rule evaluation](https://grafana.com/docs/grafana/latest/alerting/fundamentals/alert-rules/rule-evaluation/) defines the conditions under which an alert rule triggers, based on the following settings:
 
-- **Evaluation group**: how frequently the alert rule is evaluated.
-- **Evaluation interval**: how long the condition must be met to start firing. This allows your data time to stabilize before triggering an alert, helping to reduce the frequency of unnecessary notifications.
+- **Evaluation group**: every alert rule is assigned to an evaluation group. You can assign the alert rule to an existing evaluation group or create a new one.
+- **Evaluation interval**: determines how frequently the alert rule is checked. For instance, the evaluation may occur every 10s, 30s, 1m, 10m, etc.
+- **Pending period**: how long the condition must be met to trigger the alert rule.
 
 To set up the evaluation: