Fixup changelog

Author: gnikonorov

CHANGES.rst

@@ -3,7 +3,7 @@ Release Notes
 
 **2.1.2 (unreleased)**
 
-* Make the ``Results`` table ``Links`` column sortable (`#242 https://github.com/pytest-dev/pytest-html/issues/242>`_)
+* Make the ``Results`` table ``Links`` column sortable (`#242 <https://github.com/pytest-dev/pytest-html/issues/242>`_)
 
   * Thanks to `@vashirov <https://github.com/vashirov>_` for reporting and `@gnikonorov <https://github.com/gnikonorov>_` for the fix