Update doc/api/stream.md

davidmarkclements · vsemozhetbyt · David Mark Clements · commit f0fa8b619527 · 2019-12-16T12:00:24.000+01:00
Co-Authored-By: Vse Mozhet Byt &lt;vsemozhetbyt@gmail.com&gt;
diff --git a/doc/api/stream.md b/doc/api/stream.md
@@ -1646,7 +1646,7 @@ Calling `Readable.from(string)` or `Readable.from(buffer)` will not have
 the strings or buffers be iterated to match the other streams semantics
 for performance reasons.
 
-### stream.Transform.by(asyncGeneratorFunction, [options])
+### stream.Transform.by(asyncGeneratorFunction[, options])
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