diff --git a/INSTALL b/INSTALL
index 578267f..8dbb1cc 100644
--- a/INSTALL
+++ b/INSTALL
@@ -2,8 +2,9 @@
 | INSTALLATION
 `-------------------------------------------------------------------------------
 
-1. Copy the metche executable to /usr/local/sbin/
-2. As root, mkdir /var/lib/metche
-3. Copy the manpage (metche.8) to /usr/local/man/man8/
-4. Read the README file and the manpage
+1. Have a look to the REQUIREMENTS section in the README file.
+2. Copy the metche executable to /usr/local/sbin/
+3. As root, mkdir /var/lib/metche
+4. Copy the manpage (metche.8) to /usr/local/man/man8/
+5. Read the README file and the manpage
 
diff --git a/README b/README
index 672df2e..89fd684 100644
--- a/README
+++ b/README
@@ -53,9 +53,10 @@
 1. Debian GNU/Linux and apt-show-versions (if Debian packages monitoring is
    enabled)
 2. mutt
-3. If you want metche to encrypt the email it sends you : gnupg
-3. If you want metche to monitor your vservers as well : util-vserver tools
-4. If you want metche to monitor your Changelog files, at least one Changelog
+3. bzip2
+4. If you want metche to encrypt the email it sends you : gnupg
+5. If you want metche to monitor your vservers as well : util-vserver tools
+6. If you want metche to monitor your Changelog files, at least one Changelog
    file must be located in $CHANGELOG_DIR/*/Changelog ; for example, you
    can have :
      /root/