doc: correct stream.finished changes

PR-URL: #52551
Reviewed-By: Qingyu Deng <i@ayase-lab.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Debadree Chatterjee <debadree333@gmail.com>

doc/api/stream.md

@@ -237,9 +237,16 @@ The `pipeline` API provides [callback version][stream-pipeline]:
 
 <!-- YAML
 added: v15.0.0
+changes:
+  - version:
+    - v19.5.0
+    - v18.14.0
+    pr-url: https://github.com/nodejs/node/pull/46205
+    description: Added support for `ReadableStream` and `WritableStream`.
 -->
 
-* `stream` {Stream}
+* `stream` {Stream|ReadableStream|WritableStream} A readable and/or writable
+  stream/webstream.
 * `options` {Object}
   * `error` {boolean|undefined}
   * `readable` {boolean|undefined}