diff --git a/Documentation/DocBook/crypto-API.tmpl b/Documentation/DocBook/crypto-API.tmpl
index 8e17a41df4c3b80aa0fbe7a0c385a5646f4e1a11..07df23ea06e4936d6de435ba4c862ffdb4b299d1 100644
--- a/Documentation/DocBook/crypto-API.tmpl
+++ b/Documentation/DocBook/crypto-API.tmpl
@@ -1101,7 +1101,7 @@ kernel crypto API            |       Caller
     </para>
 
     <para>
-     [1] http://www.chronox.de/libkcapi.html
+     [1] <ulink url="http://www.chronox.de/libkcapi.html">http://www.chronox.de/libkcapi.html</ulink>
     </para>
 
    </sect1>
@@ -1661,7 +1661,7 @@ read(opfd, out, outlen);
     </para>
 
     <para>
-     [1] http://www.chronox.de/libkcapi.html
+     [1] <ulink url="http://www.chronox.de/libkcapi.html">http://www.chronox.de/libkcapi.html</ulink>
     </para>
 
    </sect1>