DOC: update the to_json() docstring#20149

Merged

jorisvandenbossche merged 4 commits intopandas-dev:masterfrom

robmarkcole:to_json_docstring_fixes

Mar 13, 2018

Commits on Mar 10, 2018

Fix validation errors on to_json()
robmarkcole
committed

Commits on Mar 13, 2018