Updated README.md

README.md

@@ -17,7 +17,8 @@ ATNA auditing is supported for requests.
 * Ensure that a [Java Runtime Environment](http://java.com/en/) is installed on your system. At a minimum Java 7 is required.
 * Download the latest release of the mediator: `curl https://github.com/jembi/openhim-mediator-xds/releases/download/v1.0.0/openhim-mediator-xds-1.0.0.tar.gz`
 * Extract the downloaded archive: `tar -xzf openhim-mediator-xds-1.0.0.tar.gz`
-* The mediator is packaged as a standalone jar and can be run as follows: `java -jar mediator-xds-1.0.0-jar-with-dependencies.jar`
+* Edit the properties file `mediator.properties` and change it as required for your implementantion
+* The mediator is packaged as a standalone jar and can be run as follows: `java -jar mediator-xds-1.0.0-jar-with-dependencies.jar --conf mediator.properties`
 
 # Compiling and running from source
 * `git clone https://github.com/jembi/openhim-mediator-xds.git`