some more fix to the doc

doc/source/audiogenerators.rst

@@ -1,7 +1,7 @@
 Audiogenerators
 ===============
 
-mpdrandom
+mpd
 ---------
 
 picks ``howmany`` song randomly from your mpd library. It follows this

doc/source/quickstart.rst

@@ -14,11 +14,12 @@ Install
 
 Let's start!::
 
-   apt-get install python3 python3-dev build-essential virtualenv mpd
+   apt-get install python3 python3-dev build-essential virtualenv mpd mpc
    virtualenv -p /usr/bin/python3 /opt/larigira/
    /opt/larigira/bin/pip3 install --no-binary :all: larigira
    touch /etc/default/larigira
    mkdir -p /home/radio/.mpd/ /etc/larigira/ /var/log/larigira/
+   chown radio. /home/radio/.mpd/
    chown radio:adm /var/log/larigira/
    touch /etc/systemd/system/larigira.service