DOC: reword release note to unbreak sphinx rendering

Author: mattip

doc/release/upcoming_changes/15217.deprecation.rst

@@ -1,11 +1,13 @@
 Passing ``shape=0`` to factory functions in ``numpy.rec`` is deprecated
 -----------------------------------------------------------------------
 
-``0`` is treated as a special case by these functions, which aliases to
-``None``. In future, ``0`` will not be a special case, and will be treated
-as an array length like any other integer is. The affected functions are:
+``0`` is treated as a special case and is aliased to ``None`` in the functions: 
 
 * `numpy.core.records.fromarrays`
 * `numpy.core.records.fromrecords`
 * `numpy.core.records.fromstring`
 * `numpy.core.records.fromfile`
+
+In future, ``0`` will not be special cased, and will be treated as an array
+length like any other integer.
+