add back a change lost in rebase

Author: smartvinnetou

pandas/core/series.py

@@ -1442,7 +1442,8 @@ def to_markdown(
         mode : str, optional
             Mode in which file is opened.
         **kwargs
-            These parameters will be passed to `tabulate`.
+        These parameters will be passed to `tabulate \
+            <https://pypi.org/project/tabulate>`_.
 
         Returns
         -------