Update README

README.md

@@ -6,7 +6,7 @@ The purpose of Naming is to handle Naming of ESS wide physical and logical devic
 
 Naming backend is a web application implemented as a REST style web service backed by a relational database. The web service is implemented as a Spring Boot application and the database is available as PostgreSQL.
 
-See `docs` and sub folders to learn how ESS Naming Convention is implemented in Naming backend
+See `docs` and sub folders to learn how ESS Naming Convention is implemented in Naming backend.
 * what an ESS name is and how to think about it (to better understand how to work with it)
 * concepts & terminology
 * application & database, architecture & design
@@ -60,6 +60,7 @@ or with `java -jar`
 * make sure database available as in `src/main/resources/application.properties`
 * start application
     * `java -jar target/naming-backend-*.jar`
+    * `java -jar -Dspring.datasource.url=jdbc:postgresql://localhost:5432/discs_names target/naming-backend-*.jar`
 * browse to `http://localhost:8083/swagger-ui.html`
 
 #### Integration tests with Docker containers