Update README.md

README.md

@@ -144,26 +144,26 @@ If you don't feel like setting up databases and users, you can use our [docker](
 
 Getting the image:
 ```console
-sudo docker pull mhansen/sequelize-contribution
+$ sudo docker pull mhansen/sequelize-contribution
 ```
 
 Start the container and save references to container id and ip:
 
 ```console
-CONTAINER=$(sudo docker run -d -i -t mhansen/sequelize-contribution)
-CONTAINER_IP=$(sudo docker inspect -format='{{.NetworkSettings.IPAddress}}' $CONTAINER)
+$ CONTAINER=$(sudo docker run -d -i -t mhansen/sequelize-contribution)
+$ CONTAINER_IP=$(sudo docker inspect -format='{{.NetworkSettings.IPAddress}}' $CONTAINER)
 ```
 
 Run tests:
 
 ```console
-SEQ_HOST=$CONTAINER_IP SEQ_USER=sequelize_test make all
+$ SEQ_HOST=$CONTAINER_IP SEQ_USER=sequelize_test make all
 ```
 
 Stop the container:
 
 ```console
-sudo docker stop $container
+$ sudo docker stop $container
 ```
 
 When running tests repeatedly, you only need to redo step 3 if you haven't stopped the container.