diff --git a/pandas/core/series.py b/pandas/core/series.py
index 3c81de3ef359d..e89b3569f41ba 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -1895,18 +1895,18 @@ def sort_values(self, axis=0, ascending=True, inplace=False,
 
         Parameters
         ----------
-        axis : {0 or ‘index’}, default 0
-            Axis to direct sorting. The value `index` is accepted for
+        axis : {0 or 'index'}, default 0
+            Axis to direct sorting. The value 'index' is accepted for
             compatibility with DataFrame.sort_values.
         ascending : bool, default True
-            If  `True` sort values in ascending order, otherwise descending.
+            If  True sort values in ascending order, otherwise descending.
         inplace : bool, default False
             If True, perform operation in-place.
-        kind : {‘quicksort’, ‘mergesort’ or ‘heapsort’}, default ‘quicksort’
-            Choice of sorting algorithm. See also :func:`np.sort` for more
-             information. `mergesort` is the only stable  algorithm.
+        kind : {'quicksort', 'mergesort' or 'heapsort'}, default 'quicksort'
+            Choice of sorting algorithm. See also :func:'numpy.sort' for more
+            information. 'mergesort' is the only stable  algorithm.
         na_position : {'first' or 'last'}, default 'last'
-             Argument `first` puts NaNs at the beginning, `last` puts NaNs at
+             Argument 'first' puts NaNs at the beginning, 'last' puts NaNs at
              the end.
 
         Returns