diff --git a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
index 4cadc6f156..1fdd473b3d 100644
--- a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
@@ -121,6 +121,11 @@
       &pgpkey.brueffer;
     </sect2>
 
+    <sect2 id="pgpkey-markus">
+      <title>&a.markus;</title>
+      &pgpkey.markus;
+    </sect2>
+
     <sect2 id="pgpkey-wilko">
       <title>&a.wilko;</title>
       &pgpkey.wilko;
diff --git a/share/pgpkeys/markus.key b/share/pgpkeys/markus.key
new file mode 100644
index 0000000000..05bc59dfc0
--- /dev/null
+++ b/share/pgpkeys/markus.key
@@ -0,0 +1,80 @@
+<!-- $FreeBSD$ -->
+<!--
+sh addkey.sh markus 78F8A8D4;
+-->
+<programlisting role="pgpfingerprint"><![CDATA[
+pub  1024D/78F8A8D4 2002-10-21 Markus Brueffer <brueffer@phoenix-systems.de>
+     Key fingerprint = 3F9B EBE8 F290 E5CC 1447  8760 D48D 1072 78F8 A8D4
+uid                            Markus Brueffer <buff@hitnet.rwth-aachen.de>
+uid                            Markus Brueffer <mbrueffer@mi.rwth-aachen.de>
+uid                            Markus Brueffer <markus@FreeBSD.org>
+uid                            Markus Brueffer <markus@brueffer.de>
+sub  4096g/B7E5C7B6 2002-10-21
+]]></programlisting>
+<programlisting role="pgpkey"><![CDATA[
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+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+O3zU2pjViEwEEBECAAwFAj53axIFAwHihQAACgkQT4OMtyagqBYphwCdFiRae7gC
+vrB/jFA8ceyXaEP44doAnj41sLHZFGWIZUmQmNTiNfZXYoQQiEwEEBECAAwFAj53
+IYwFAwHihQAACgkQdROiNhMQLPXCqgCfSgcJhp/6tnpjypjXWH9t6uKHg+MAoMYn
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+LnJ3dGgtYWFjaGVuLmRlPohPBBARAgAPBQI9tIVmCAsJCAcDAgEKAAoJENSNEHJ4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+6BEAoIS2DnUx4qlcuuhBUp9RXnST2G2ktCRNYXJrdXMgQnJ1ZWZmZXIgPG1hcmt1
+c0BicnVlZmZlci5kZT6IXgQTEQIAHgUCQDffEwIbAwYLCQgHAwIDFQIDAxYCAQIe
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+gLUV5SmZqZ8HdNP/46HFliBOmGW42A3uEF2rthccUdhQyiJXQym+lehWKzh4XAvb
++ExN1eOqRsz7zhfoKp0UYeOEqU/Rg4Soebbvj6dDRgjGzB13VyQ4SuLE8OiOE2eX
+TpITYfbb6yUOF/32mPfIfHmwch04dfv2wXPEgxEmK0Ngw+Po1gr9oSgmC66prrNl
+D6IAUwGgfNaroxIe+g8qzh90hE/K8xfzpEDp19J3tkItAjbBJstoXp18mAkKjX4t
+7eRdefXUkk+bGI78KqdLfDL2Qle3CH8IF3KiutapQvMF6PlTETlPtvFuuUs4INoB
+p1ajFOmPQFXz0AfGy0OplK33TGSGSfgMg71l6RfUodNQ+PVZX9x2Uk89PY3bzpnh
+V5JZzf24rnRPxfx2vIPFRzBhznzJZv8V+bv9kV7HAarTW56NoKVyOtQa8L9GAFgr
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+XTjTNP18F1dDox0YbN4zISy1Kv884bEpQBgRjXyEpwpy1obEAxnIByl6ypUM2Zaf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+=+q7n
+-----END PGP PUBLIC KEY BLOCK-----
+]]></programlisting>
diff --git a/share/pgpkeys/pgpkeys.ent b/share/pgpkeys/pgpkeys.ent
index 4d91e0fc53..f59b0f81aa 100644
--- a/share/pgpkeys/pgpkeys.ent
+++ b/share/pgpkeys/pgpkeys.ent
@@ -84,6 +84,7 @@
 <!ENTITY pgpkey.marcel SYSTEM "marcel.key">
 <!ENTITY pgpkey.marcus SYSTEM "marcus.key">
 <!ENTITY pgpkey.markp SYSTEM "markp.key">
+<!ENTITY pgpkey.markus SYSTEM "markus.key">
 <!ENTITY pgpkey.mat SYSTEM "mat.key">
 <!ENTITY pgpkey.matusita SYSTEM "matusita.key">
 <!ENTITY pgpkey.max SYSTEM "max.key">