fixup! SA14: Final adjustments to the changelog

Author: amotl

CHANGES.txt

@@ -37,16 +37,13 @@ Breaking changes
 Textual column expressions
 ''''''''''''''''''''''''''
 
-SQLAlchemy 1.4 became stricter on some details. Where it was ok to use a
-textual column expression in *plain text* beforehand, a
-`SQLAlchemy literal_column`_ type should be used now. This specifically
-applies to `CrateDB system columns`_ like ``_score``.
-
-For example, when a query might have looked like this beforehand::
+SQLAlchemy 1.4 became stricter on some details. It requires to wrap `CrateDB
+system columns`_ like ``_score`` in a `SQLAlchemy literal_column`_ type.
+Before, it was possible to use a query like this::
 
     session.query(Character.name, '_score')
 
-it should now be written like::
+It must now be written like::
 
     session.query(Character.name, sa.literal_column('_score'))