cd roller before docker compose
diff --git a/README.md b/README.md
index 92ea4cd..8b53900 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,7 @@
 
 Run Docker Compose to build and launch Roller along with a PostgreSQL database:
 
+    $ cd roller
     $ docker-compose up
     
 It will take a while to build the Docker image. Once it's done browse to <http://localhost:8080/roller> to try Roller.