Fixed conflict in CHANGES.rst

Updated CHANGES.rst

Author: javier-ballester

CHANGES.rst

@@ -3,10 +3,17 @@
 
 New Tools and Services
 ----------------------
+esa.hubble
+^^^^^^^^^^
 
+- Added new method ``get_hap_hst_link`` and ``get_member_observations`` to get related observations [#2268]
 
 Service fixes and enhancements
 ------------------------------
+esa.hubble
+^^^^^^^^^^
+
+- Changed query_target method to use TAP instead of AIO [#2268]
 
 casda
 ^^^^^
@@ -1155,4 +1162,4 @@ Infrastructure, Utility and Other Changes and Additions
 0.1 (2013-09-19)
 ================
 
-- Initial release.  Includes features!
+- Initial release.  Includes features!

astroquery/esa/hubble/core.py

@@ -498,6 +498,9 @@ def query_target(self, name, filename=None, async_job=False,
             target name to be requested, mandatory
         filename : string
             file name to be used to store the metadata, optional, default None
+        async_job : bool, optional, default 'False'
+            executes the query (job) in asynchronous/synchronous mode (default
+            synchronous)
         output_format : string
             optional, default 'votable'
             output format of the query