ref(reqs): rework system requirements

Author: slack

src/installing-workflow/system-requirements.md

@@ -1,7 +1,10 @@
 # Requirements
 
-If you are planning to run Deis Workflow on your own Kubernetes cluster there are a few requirements that you should be
-aware of when creating your environment.
+To run Deis Workflow on a Kubernetes cluster, there are a few requirements to keep in mind.
+
+## Kubernetes Versions
+
+Deis Workflow has been tested with the **Kubernetes v1.2** release line. It is incompatible with Kubernetes v1.1 and earlier.
 
 ## Resource Requirements
 
@@ -23,10 +26,6 @@ application footprint as well.
 Running smaller machines will likely result in increased system load and has been known to result in component failures
 and instability.
 
-## Kubernetes Versions
-
-Deis Workflow has been tested with the **Kubernetes v1.2** release line. It is incompatible with Kubernetes v1.1 and earlier.
-
 ## Docker Insecure Registry
 
 The on-cluster Docker registry is not deployed with TLS enabled. As such, all Kubernetes worker nodes must have their