tweak Josh Thomas formatting in AUTHORS

Author: joshuadavidthomas

AUTHORS.rst

@@ -76,7 +76,7 @@ Authors
 - Jonathan Zvesper (`zvesp <https://github.com/zvesp>`_)
 - Jordon Wing  (`jordonwii <https://github.com/jordonwii`_)
 - Josh Fyne
-- Josh Thomas (`joshuadavidthomas <https://github.com/joshuadavidthomas>` _)
+- Josh Thomas (`joshuadavidthomas <https://github.com/joshuadavidthomas>`_)
 - Keith Hackbarth
 - Kevin Foster
 - Klaas van Schelven