fix RST link format

Change-Id: I52122759a92d2fa4bab93ac75c21a77f79eace5a

diff --git a/doc/build/orm/join_conditions.rst b/doc/build/orm/join_conditions.rst
index 8a29fdc5d73a3bfdea2b1225e9633dec01c8e518..ef33d30a73a6d5fd7b179387427db16e8241e826 100644 (file)
--- a/doc/build/orm/join_conditions.rst
+++ b/doc/build/orm/join_conditions.rst
@@ -305,7 +305,7 @@ To suit this use case, the :meth:`.FunctionElement.as_comparison` method
 can modify any SQL function, such as those invoked from the :data:`.func`
 namespace, to indicate to the ORM that the function produces a comparison of
 two expressions.  The below example illustrates this with the
-`Geoalchemy2 <https://geoalchemy-2.readthedocs.io/>` library::
+`Geoalchemy2 <https://geoalchemy-2.readthedocs.io/>`_ library::
 
     from geoalchemy2 import Geometry
     from sqlalchemy import Column, Integer, func