Updated Readme

README.md

@@ -3,10 +3,14 @@
 This small application works great in tandem with the Prometheus [node-exporter](https://github.com/prometheus/node_exporter).
 If you place the converted JSON -> prom data in the /var/lib/prometheus/node-exporter/ directory, the metrics will be added to the node-exporter output.
 
-Build the project using Cargo.
+Build the project using Cargo:
 
-Run the binary as 
+```
+cargo build --release
+```
 
+The binary can then be found under target/release/rusty-json-prom-exporter
+Run the binary as:
 ```
 ./rusty-json-prom-exporter [url] [filename]
 ```