MAINT: DataFramee --> DataFrame in whatsnew

Author: gfyoung

doc/source/whatsnew/v0.21.0.txt

@@ -786,7 +786,7 @@ Plotting
 - Bug when plotting ``timedelta`` and ``datetime`` dtypes on y-axis (:issue:`16953`)
 - Line plots no longer assume monotonic x data when calculating xlims, they show the entire lines now even for unsorted x data. (:issue:`11310`, :issue:`11471`)
 - With matplotlib 2.0.0 and above, calculation of x limits for line plots is left to matplotlib, so that its new default settings are applied. (:issue:`15495`)
-- Bug in ``Series.plot.bar`` or ``DataFramee.plot.bar`` with ``y`` not respecting user-passed ``color`` (:issue:`16822`)
+- Bug in ``Series.plot.bar`` or ``DataFrame.plot.bar`` with ``y`` not respecting user-passed ``color`` (:issue:`16822`)
 - Bug causing ``plotting.parallel_coordinates`` to reset the random seed when using random colors (:issue:`17525`)