Merge pull request #5792 from jorisvandenbossche/doc-build-warnings

DOC: fix minor doc build warnings

Author: jreback

doc/source/release.rst

@@ -248,7 +248,7 @@ API Changes
   - allow ``ix/loc`` for Series/DataFrame/Panel to set on any axis even when
     the single-key is not currently contained in the index for that axis
     (:issue:`2578`, :issue:`5226`, :issue:`5632`, :issue:`5720`,
-     :issue:`5744`, :issue:`5756`)
+    :issue:`5744`, :issue:`5756`)
   - Default export for ``to_clipboard`` is now csv with a sep of `\t` for
     compat (:issue:`3368`)
   - ``at`` now will enlarge the object inplace (and return the same)

pandas/core/generic.py

@@ -1852,7 +1852,7 @@ def fillna(self, value=None, method=None, axis=0, inplace=False,
         limit : int, default None
             Maximum size gap to forward or backward fill
         downcast : dict, default is None
-             a dict of item->dtype of what to downcast if possible,
+            a dict of item->dtype of what to downcast if possible,
             or the string 'infer' which will try to downcast to an appropriate
             equal type (e.g. float64 to int64 if possible)