[Docs] Fix `service_api_key` in PagerDuty documentation
closes
@@ -70,7 +70,7 @@ payload as well as an array of contexts to the action.
|======
| Name |Required | Description
| `account` | no | The account to use, falls back to the default one.
- The account needs a `service_key_api` attribute.
+ The account needs a `service_api_key` attribute.
|======
