Fixed typo

Author: sebright

README.md

@@ -1,3 +1,3 @@
 json-rpc-server
 ===============
-An implemation of the server side of JSON RPC 2.0. See <http://www.jsonrpc.org/specification>. This library uses ByteString for input and output, leaving the choice of transport up to the user. See the demo folder for an example.
+An implementation of the server side of JSON RPC 2.0. See <http://www.jsonrpc.org/specification>. This library uses ByteString for input and output, leaving the choice of transport up to the user. See the demo folder for an example.