Update peps/pep-0815.rst

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

Author: konstin

peps/pep-0815.rst

@@ -16,8 +16,8 @@ Abstract
 This PEP deprecates the ``RECORD.jws`` and ``RECORD.p7s`` wheel signature
 files. Lack of support in tooling means that these virtually unused files do
 not provide the security they purport. Users looking for wheel signing should
-instead refer to
-:ref:`index hosted attestations <packaging:index-hosted-attestations>`.
+instead refer to :ref:`index hosted attestations
+<packaging:index-hosted-attestations>`.
 
 Motivation
 ==========