Add detail to intro and step 1

graphite-stack/index.json

@@ -1,7 +1,7 @@
 {
   "title": "Demo - Grafana/Graphite Monitoring",
-  "description": "Setting up Graphite, Carbon, Whisper and Grafana in Docker",
-  "difficulty": "beginner",
+  "description": "Setting up Graphite, Carbon, StatsD and Grafana in Docker",
+  "difficulty": "Intermediate",
   "time": "2 minutes",
   "details": {
     "steps": [{

graphite-stack/intro.md

@@ -1 +1,6 @@
-Welcome to your first Katacoda Scenario!
+## Overview
+
+This course will cover how to set up Grafana, Graphite, Carbon and StatsD on Docker. It implements an API which returns status codes for demonstrations purposes. 
+
+The resulting working system created during this scenario is not production ready. It is useful for a local system, proof of concepts and practising with monitoring.
+

graphite-stack/step1.md

@@ -1,7 +1,10 @@
-This is your first step.
 
-## Task
+A [network](https://docs.docker.com/engine/reference/commandline/network_create/#connect-containers) enables docker containers, services and workloads to connect together. We set up the network for StatsD, Graphite and Grafana to talk to each other. 
 
-Create Network:
+For the purpose of this exercise we will be using the default from of network - a bridge. This is typical for applications that are running in standalone containers that need to communicate with each other. 
+
+## Task
+
+For the purpose of this task enter the following command into the terminal
 
 `docker network create monitoring`{{execute}}