(webhook to listen to all HF) clearer wording?

cc @coyotte508 for review/feedback

Author: julien-c

docs/hub/webhooks.md

@@ -266,6 +266,6 @@ Note: When changing the target URL or secret of a Webhook, replaying an event wi
 
 No, this is not currently supported.
 
-##### How can I subscribe to events on all repos (or across a whole repo type, like on all models)?
+##### How can I subscribe to all events on HF (or across a whole repo type, like on all models)?
 
 This is not currently exposed to end users but we can toggle this for you if you send an email to [email protected].