Merge pull request #5299 from braze-inc/BD-2067

BD-2067: Add link to Safari mobile web push in general web push doc

_docs/_user_guide/message_building_by_channel/push/web.md

@@ -23,9 +23,11 @@ Users of your web application need to opt-in to receive web push.
 ![An opt-in web push example for Safari with two buttons: Don't Allow and Allow.][13]
 
 For more information on the push protocol standards and browser support, you can review resources based on your browser:
-- [Apple][3]
-- [Mozilla][1]
-- [Microsoft][2]
+
+- [Safari (desktop)][3]
+- [Safari (mobile)][3.1]
+- [Mozilla Firefox][1]
+- [Microsoft Edge][2]
 
 {% alert important %}
 Private browsing windows do not currently support web push.
@@ -34,6 +36,7 @@ Private browsing windows do not currently support web push.
 [1]: https://developer.mozilla.org/en-us/docs/web/api/push_api#browser_compatibility
 [2]: https://developer.microsoft.com/en-us/microsoft-edge/status/pushapi/
 [3]: https://developer.apple.com/notifications/safari-push-notifications/
+[3.1]: {{site.baseurl}}/developer_guide/platform_integration_guides/web/push_notifications/safari_mobile_push/
 [11]: {{site.baseurl}}/user_guide/message_building_by_channel/push/creating_a_push_message/#creating-a-push-message
 [12]: {% image_buster /assets/img_archive/Macbook_Push.png %}
 [13]: {% image_buster /assets/img_archive/WebPush_Prompt.png %}