[DOC] fixed duplicate words
dnsdist is a highly DNS-, DoS- and abuse-aware loadbalancer.
Its goal in life is to route traffic to the best server, delivering top performance to legitimate users while shunting or blocking abusive traffic.
-dnsdist is dynamic, its configuration language is `Lua <http://lua.org>`_ and it can be can be changed at runtime, and its statistics can be queried from a console-like interface or an HTTP API.
+dnsdist is dynamic, its configuration language is `Lua <http://lua.org>`_ and it can be changed at runtime, and its statistics can be queried from a console-like interface or an HTTP API.
A configuration to balance DNS queries to several backend servers: