Updating documentation

Author: brandonmburroughs

doc/source/whatsnew/v0.19.1.txt

@@ -44,5 +44,5 @@ Bug Fixes
 
 
 - Bug in ``pd.concat`` where names of the ``keys`` were not propagated to the resulting ``MultiIndex`` (:issue:`14252`)
-- Bug in ``pd.concat`` where ``axis`` cannot take string parameters ``rows`` or ``columns (:issue:`14369`)
+- Bug in ``pd.concat`` where ``axis`` cannot take string parameters ``'rows'`` or ``'columns'`` (:issue:`14369`)
 - Bug in ``MultiIndex.set_levels`` where illegal level values were still set after raising an error (:issue:`13754`)

pandas/tools/merge.py

@@ -1283,7 +1283,7 @@ def concat(objs, axis=0, join='outer', join_axes=None, ignore_index=False,
         argument, unless it is passed, in which case the values will be
         selected (see below). Any None objects will be dropped silently unless
         they are all None in which case a ValueError will be raised
-    axis : {0, 1, 'rows', 'columns', ...}, default 0
+    axis : {0/'index'/'rows', 1/'columns'}, default 0
         The axis to concatenate along
     join : {'inner', 'outer'}, default 'outer'
         How to handle indexes on other axis(es)