doc/api: listed server.listen() parameters and made some minor corre…

…ctions

  listed server.listen() optional paramenters that are used in examples but
  not documented and corrected some misleading commas.
   Changes :
    modified:  doc/api/fs.md : updated server.listen() and corrected commas
    modified:  doc/api/http.md : corrected commas
    modified:  doc/api/stream.md : corrected commas

doc/api/fs.md

@@ -2651,7 +2651,7 @@ changes:
 Asynchronously creates a directory.
 
 The callback is given a possible exception and, if `recursive` is `true`, the
-first directory path created, `(err, [path])`.
+first directory path created, `(err [,path])`.
 `path` can still be `undefined` when `recursive` is `true`, if no directory was
 created.
 
@@ -4871,7 +4871,7 @@ Returns the number of `bytesRead`.
 For detailed information, see the documentation of the asynchronous version of
 this API: [`fs.read()`][].
 
-### `fs.readSync(fd, buffer, [options])`
+### `fs.readSync(fd, buffer [,options])`
 <!-- YAML
 added:
  - v13.13.0

doc/api/http.md

@@ -1290,7 +1290,11 @@ event is emitted on the server object, and (by default) the socket is destroyed.
 See [`server.timeout`][] for more information on how timeout behavior can be
 customized.
 
-### `server.listen()`
+### `server.listen([Port,] [host,] [callback])`
+
+* `Port` {Number}
+* `Host` {String}
+* `callback` {Function}
 
 Starts the HTTP server listening for connections.
 This method is identical to [`server.listen()`][] from [`net.Server`][].

doc/api/stream.md

@@ -2041,7 +2041,7 @@ await finished(compose(s1, s2, s3));
 console.log(res); // prints 'HELLOWORLD'
 ```
 
-### `stream.Readable.from(iterable, [options])`
+### `stream.Readable.from(iterable [,options])`
 <!-- YAML
 added:
   - v12.3.0