GAIASWRQ-25 Include extra comment at the end for section 2.6

Author: Jorge Fernandez Hernandez

docs/gaia/gaia.rst

@@ -82,7 +82,7 @@ This query searches for all the objects contained in an arbitrary rectangular pr
 WARNING: This method implements the ADQL BOX function that is deprecated in the latest version of the standard
 (ADQL 2.1,  see: https://ivoa.net/documents/ADQL/20231107/PR-ADQL-2.1-20231107.html#tth_sEc4.2.9).
 
-It is possible to choose which data release to query, by default the Gaia DR3 catalogue is used. For example::
+It is possible to choose which data release to query, by default the Gaia DR3 catalogue is used. For example
 
 .. doctest-remote-data::