Fix documentation for rename async -> vo_async in vo_conesearch
@@ -216,7 +216,7 @@ Reference/API
.. automodapi:: astroquery.vo_conesearch.conesearch
:no-inheritance-diagram:
-.. automodapi:: astroquery.vo_conesearch.async
+.. automodapi:: astroquery.vo_conesearch.vo_async
:no-inheritance-diagram:
.. automodapi:: astroquery.vo_conesearch.exceptions
