Fix a typo in writing.rst
Fix a typo in writing.rst
OpenTSDB/opentsdb.net,geoffreyanderson/opentsdb.net,manolama/opentsdb.net,manolama/opentsdb.net,OpenTSDB/opentsdb.net,geoffreyanderson/opentsdb.net,geoffreyanderson/opentsdb.net,OpenTSDB/opentsdb.net,manolama/opentsdb.net