This section is non-normative.
-The Solid Notification Protocol defines an extensible, HTTP-based framework by which client applications can establish and manage subscriptions to HTTP resource changes.
+The Solid Notification Protocol defines an extensible, HTTP-based framework by which client applications can establish and manage subscriptions to HTTP resource changes.
A goal of the protocol defined by this specification is to enable interaction patterns both for cases where an HTTP client maintains an open connection to a subscription (e.g. WebSockets) as well as for cases where a client establishes a subscription and then disconnects.