Updating README

README.md

@@ -1,3 +1,14 @@
 # munin-bird
 
-Munin plugin written in shell designed to graph BGP routes
+Munin plugin written in shell designed to graph BGP routes
+
+See also [my website](https://www.swordarmor.fr/plugin-munin-pour-grapher-les-routes-de-bird.html)
+
+## Example of configuration
+
+You have to run this script under a user that have access to the bird socket.
+
+```
+[bird*]
+user root
+```