doc: include context on .toWeb() parameters

Refs: #46347 PR-URL: #46617 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Harshitha K P <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: debadree25

doc/api/stream.md

@@ -2976,8 +2976,14 @@ added: v17.0.0
 *`streamReadable`{stream.Readable}
 *`options`{Object}
 *`strategy`{Object}
-*`highWaterMark`{number}
-*`size`{Function}
+*`highWaterMark`{number} The maximum internal queue size (of the created
+`ReadableStream`) before backpressure is applied in reading from the given
+`stream.Readable`. If no value is provided, it will be taken from the
+ given `stream.Readable`.
+*`size`{Function} A function that size of the given chunk of data.
+ If no value is provided, the size will be `1` for all the chunks.
+*`chunk`{any}
+* Returns:{number}
 * Returns:{ReadableStream}
 
 ### `stream.Writable.fromWeb(writableStream[, options])`