typos

README.md

@@ -19,7 +19,7 @@ Minimalistic scalable microseconds precise FHIR application server in Elixir.
 $ mix deps.get
 $ iex -S mix
 ISO/HL7 27931:2009 application server listening at port: 9234.
-JSON Schema: draft-07, FHIR Protocol Version: R5.
+JSON Schema: draft-07, FHIR Protocol Version: 5.0.0.
 Interactive Elixir (1.12.2) - press Ctrl+C to exit (type h() ENTER for help)
 iex(1)>
 ```

lib/hl7_application.ex

@@ -1,11 +1,14 @@
 defmodule HL7.Application do
   use Application
   def port, do: Application.get_env(:hl7, :port, 9234)
+  def banner() do
+      :io.format "ISO/HL7 27931:2009 application server listening at port: #{port()}.~n"
+      :io.format "JSON Schema: draft-07, FHIR Protocol Version: 5.0.0.~n"
+  end
   def start(_, _) do
       children = [ { Plug.Cowboy, scheme: :http, plug: HL7.Endpoint, options: [port: port()] } ]
       opts = [strategy: :one_for_one, name: App.Supervisor]
-      :io.format "ISO/HL7 27931:2009 application server listening at port: #{port()}.~n"
-      :io.format "JSON Schema: draft-07, FHIR Protocol Version: 5.0.0.~n"
+      banner()
       Supervisor.start_link(children, opts)
   end
 end