update events query example in readme
@@ -34,7 +34,7 @@ ConfigCat integration does not include any metrics.
All ConfigCat related events collected appear within the Datadog Event Stream with the `source:configcat` property are tagged with your product, config and environment names.
-For example here is how to search for events that happened in the production environment: `sources:configcat production`:
+For example here is how to search for events that happened in the production environment: `source:configcat production`:
![Filtering][4]
