\subsubsection{Server configuration}
-For servers, we mostly recommend to apply what's proposed by the {\it Peter's manifesto}\footenote{https://github.com/stpeter/manifesto}.
+For servers, we mostly recommend to apply what's proposed by the {\it Peter's manifesto}\footnote{https://github.com/stpeter/manifesto}.
In short:
\begin{itemize}
\paragraph{ejabberd}
-ejabberd is one of the popular Jabber server. In order to be compliant with the manifesto, you should adapt your configuration\footnote{http://www.process-one.net/docs/ejabberd/guide_en.html}:
+ejabberd is one of the popular Jabber server. In order to be compliant
+with the manifesto, you should adapt your
+configuration\footnote{\url{http://www.process-one.net/docs/ejabberd/guide_en.html}}:
\begin{lstlisting}[breaklines]
{listen,
[