DOC Fix typos on plot_all_scalaing page
@@ -324,7 +324,7 @@ make_plot(3)
#
# Unlike the previous scalers, the centering and scaling statistics of
# :class:`~sklearn.preprocessing.RobustScaler`
-# is based on percentiles and are therefore not influenced by a few
+# are based on percentiles and are therefore not influenced by a small
# number of very large marginal outliers. Consequently, the resulting range of
# the transformed feature values is larger than for the previous scalers and,
# more importantly, are approximately similar: for both features most of the
