Tidying

beaglebone.txt

 *** Software sources
 If you get errors when running *apt-get update* then you may need to check your repositories list.  Here are examples of repositories within */etc/apt/sources.list*
 
-*** Beaglebone Black
+**** Beaglebone Black
 
 #+BEGIN_SRC: bash
 deb http://ftp.us.debian.org/debian/ wheezy main contrib non-free
 
 deb http://ftp.us.debian.org/debian wheezy-backports main contrib non-free
 #+END_SRC
-*** Cubieboard
+**** Cubieboard
 #+BEGIN_SRC: bash
 deb http://ftp.us.debian.org/debian/ wheezy main contrib non-free
 deb-src http://ftp.us.debian.org/debian/ wheezy main contrib non-free