Update recent_activity.md (#2393)

Author: adriendupuis

docs/administration/recent_activity/recent_activity.md

@@ -40,7 +40,7 @@ For every exact hour, the cronjob line is:
 
 ## Permission and security
 
-The ([`activity_log/read`](policies.md#activity-log)) policy gives a role the access to the **Admin** -> **Activity list**, the dashboard's **Recent activity** block, and the user profile's **Recent activity**.
+The [`activity_log/read`](policies.md#activity-log) policy gives a role the access to the **Admin** -> **Activity list**, the dashboard's **Recent activity** block, and the user profile's **Recent activity**.
 It can be limited to "Only own logs" ([`ActivityLogOwner`](limitation_reference.md#activitylogowner-limitation)).
 
 The policy should be given to every roles having access to the Back Office, at least with the `ActivityLogOwner` owner limitation,