docs(auth): fix building the pdf

diff --git a/docs/security-advisories/powerdns-advisory-2015-01.rst b/docs/security-advisories/powerdns-advisory-2015-01.rst
index 39ed886d56eae62da04962a46ba526e1d605c4ce..1de1fa22b64b8d91ad0439e3fb041b16659609c5 100644 (file)
--- a/docs/security-advisories/powerdns-advisory-2015-01.rst
+++ b/docs/security-advisories/powerdns-advisory-2015-01.rst
@@ -16,13 +16,10 @@ PowerDNS Security Advisory 2015-01: Label decompression bug can cause crashes or
 -  Solution: Upgrade to any of the non-affected versions
 -  Workaround: Run your Recursor under a supervisor. Exposure can be
    limited by configuring the
-   |allow-from|_ setting so
+   :ref:`setting-allow-from` setting so
    only trusted users can query your nameserver. There is no workaround
    for the Authoritative server.
 
-.. |allow-from| replace:: ``allow-from``
-.. _allow-from: :ref:`setting-allow-from`
-
 A bug was discovered in our label decompression code, making it possible
 for names to refer to themselves, thus causing a loop during
 decompression. On some platforms, this bug can be abused to cause