Update dashboard description (#20314)

Author: shubhamvekariya-crest

openvpn/assets/dashboards/openvpn_overview.json

@@ -27,7 +27,7 @@
             "id": 6980405278649262,
             "definition": {
                 "type": "note",
-                "content": "OpenVPN is a free, open-source protocol that creates secure connections between devices over the internet. It's used to create virtual private networks (VPNs).\n\n\nThe OpenVPN Overview dashboard provides an overall insights of the logs generated by OpenVPN.\n\n\nFor more information, see the [OpenVPN Integration Documentation](https://docs.datadoghq.com/integrations/openvpn/).\n\n**Tips**\n- Use the timeframe selector in the top right of the dashboard to change the default timeframe.\n- Clone this dashboard to rearrange, modify and add widgets and visualizations. ",
+                "content": "OpenVPN is a free, open-source protocol that creates secure connections between devices over the internet. It's used to create virtual private networks (VPNs).\n\n\nThe OpenVPN Overview dashboard provides insights into the logs generated by OpenVPN.\n\n\nFor more information, see the [OpenVPN Integration Documentation](https://docs.datadoghq.com/integrations/openvpn/).\n\n**Tips**\n- Use the timeframe selector in the top right of the dashboard to change the default timeframe.\n- Clone this dashboard to rearrange, modify and add widgets and visualizations. ",
                 "background_color": "white",
                 "font_size": "14",
                 "text_align": "left",