Use proper punctuation in the axis docstring

Author: joelostblom

pandas/io/formats/style.py

@@ -577,9 +577,9 @@ def apply(self, func, axis=0, subset=None, **kwargs):
             Must return a DataFrame with identical index and
             column labels when ``axis=None``
         axis : int, str or None, default 0
-            apply to each column (``axis=0`` or ``'index'``)
-            or to each row (``axis=1`` or ``'columns'``) or
-            to the entire DataFrame at once with ``axis=None``
+            apply to each column (``axis=0`` or ``'index'``), to each row
+            (``axis=1`` or ``'columns'``), or to the entire DataFrame at once
+            with ``axis=None``.
         subset : IndexSlice
             a valid indexer to limit ``data`` to *before* applying the
             function. Consider using a pandas.IndexSlice
@@ -895,8 +895,8 @@ def background_gradient(self, cmap='PuBu', low=0, high=0, axis=0,
         low, high : float
             compress the range by these values.
         axis : int, str or None, default 0
-            apply to each column (``axis=0`` or ``'index'``) or to each row
-            (``axis=1`` or ``'columns'``) or to the entire DataFrame at once
+            apply to each column (``axis=0`` or ``'index'``), to each row
+            (``axis=1`` or ``'columns'``), or to the entire DataFrame at once
             with ``axis=None``.
         subset : IndexSlice
             a valid slice for ``data`` to limit the style application to
@@ -1084,9 +1084,9 @@ def bar(self, subset=None, axis=0, color='#d65f5f', width=100,
         subset : IndexSlice, optional
             A valid slice for `data` to limit the style application to.
         axis : int, str or None, default 0
-            Apply to each column (`axis=0` or `'index'`)
-            or to each row (`axis=1` or `'columns'`) or
-            to the entire DataFrame at once with `axis=None`.
+            apply to each column (``axis=0`` or ``'index'``), to each row
+            (``axis=1`` or ``'columns'``), or to the entire DataFrame at once
+            with ``axis=None``.
         color : str or 2-tuple/list
             If a str is passed, the color is the same for both
             negative and positive numbers. If 2-tuple/list is used, the
@@ -1154,8 +1154,8 @@ def highlight_max(self, subset=None, color='yellow', axis=0):
             a valid slice for ``data`` to limit the style application to
         color : str, default 'yellow'
         axis : int, str or None, default 0
-            apply to each column (``axis=0`` or ``'index'``) or to each row
-            (``axis=1`` or ``'columns'``) or to the entire DataFrame at once
+            apply to each column (``axis=0`` or ``'index'``), to each row
+            (``axis=1`` or ``'columns'``), or to the entire DataFrame at once
             with ``axis=None``.
 
         Returns
@@ -1175,8 +1175,8 @@ def highlight_min(self, subset=None, color='yellow', axis=0):
             a valid slice for ``data`` to limit the style application to
         color : str, default 'yellow'
         axis : int, str or None, default 0
-            apply to each column (``axis=0`` or ``'index'``) or to each row
-            (``axis=1`` or ``'columns'``) or to the entire DataFrame at once
+            apply to each column (``axis=0`` or ``'index'``), to each row
+            (``axis=1`` or ``'columns'``), or to the entire DataFrame at once
             with ``axis=None``.
 
         Returns