diff --git a/Dockerfile b/Dockerfile
index 16415623..f4899490 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,7 @@ RUN apt-get -y update && \
 	    mysql-server \
 	    php5-mysql \
 	    php5-mcrypt \
+	    libmcrypt-dev \
 	    pwgen \
 	    openssl \
     && \
diff --git a/README.md b/README.md
index ea77dd1c..9bb814e8 100644
--- a/README.md
+++ b/README.md
@@ -81,20 +81,26 @@ CONNTRACK states.
 * `php-fpm` with `mysql` module;
 * `openssl` and `pwgen` for client certificat generation;
 * `mcrypt`;
-* `Mcrypt` from CPAN (`cpan -i Mcrypt`) to decrypt submissions (see https://metacpan.org/pod/Mcrypt);
+* `Mcrypt` from CPAN (`cpan -i Mcrypt`, on Debian, it requires `libtool` and
+  `build-essential`) to decrypt submissions (see
+  https://metacpan.org/pod/Mcrypt);
 
 ##### Firewall rules
 
 This machine shouldn't have any network connection, except outgoing one to the
 frontend for synchronization.
 
+##### Others setups
+
+Indicate in `/etc/hosts.conf` IP(s) of the frontend.
+
 
 ### History
 
 #### FIC2014
 
-Two machines were used : one for backend (Phobos) and one for frontend
-(Deimos). They ran a GNU/Linux Gentoo Hardened with custom 3.2 kernel without
+Two machines were used : one for backend (Deimos) and one for frontend
+(Phobos). They ran a GNU/Linux Gentoo Hardened with custom 3.2 kernel without
 module loading, unused and unecessary components and with all GrSecurity
 features activated.
 
diff --git a/TODO b/TODO
index c755440e..580765a5 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,4 @@
 - Départager les ex-æquo dans le classement
 - Résoudre le problème potentiel de famine de l'ordonnanceur en cas de brute-force d'une équipe
-- Retrouver toutes les dépendances
 - Ajouter dans la conf de nginx un ssl_dhparam + générer le fichier dans un script
 - Mettre à jour Smarty (et passer en « secure mode » ?)