wording update

Signed-off-by: Craig Osterhout <craig.osterhout@docker.com>

Author: craig-osterhout

content/manuals/offload/usage.md

@@ -49,7 +49,7 @@ You can filter the Offload activity data by:
 - **Period**: Select a preset time period or choose a custom date range
 - **Users**: Organization owners and members with analytics permissions can
   filter by specific users
-- **Additional Filters**:  Filter by only active sessions and session duration.
+- **Additional Filters**:  Filter by active sessions and session duration.
 
 Export your session data by selecting the **Download CSV** button. The exported
 file includes: