minor changes

Author: PhilsLab

README.md

@@ -170,13 +170,12 @@ Good examples for additional labels are:
 
 In a typical production scenario, it is recommended to use a visual frontend for your metrics, such as [Grafana](https://github.com/grafana/grafana). Grafana allows you to use your Prometheus instance as a datasource, and create Graphs and other visualizations from PromQL queries. Grafana, Prometheus, are all easy to run as docker containers.
 
-The latest built image is available on Docker Hub here https://hub.docker.com/r/genegatpure/pure-exporter.
 To spin up a very basic set of those containers, use the following commands:
-```
+```bash
 # Pure exporter
 docker run -d -p 9491:9491 --name pure-exporter genegatpure/pure-exporter:latest
 
-# Prometheus with config via bind-volume
+# Prometheus with config via bind-volume (create config first!)
 docker run -d -p 9090:9090 --name=prometheus -v /tmp/prometheus-pure.yml:/etc/prometheus/prometheus.yml -v /tmp/prometheus-data:/prometheus prom/prometheus:latest
 
 # Grafana