Fix formatting

README.md

@@ -5,15 +5,19 @@ Monitoring facility for the KM3NeT neutrino detector.
 ## Usage
 
 Check out the configure options with
+
     ./configure --help
 
 then configure the ``Makefile`` with
+
     ./configure
 
 and run
+
     make start
 
 to start the monitoring. If you want to stop it:
+
     make stop
 
 easy.