IPython 5.0 now use prompt_toolkit, any setting that affect ``readline`` will
have no effect, and has (likely) be relplaced by a configuration option on
IPython itself.


IPython 5.0 now uses prompt_toolkit, so any setting that affects ``readline`` will
have no effect, and has likely been replaced by a configuration option on
IPython itself.

Fix english because english need to be fixed.
Fix english because english need to be fixed.