"flaw" -> "decision"

Author: ZeroIntensity

peps/pep-9999.rst

@@ -104,7 +104,7 @@ in asynchronous generators:
 2. https://discuss.python.org/t/47050
 3. https://discuss.python.org/t/66886
 
-Additionally, this design flaw has `come up
+Additionally, this design decision has `come up
 <https://stackoverflow.com/questions/47376408>`_ on StackOverflow.