Update readme

Clarify architecture not a repr of proper arch, since lots of viewers are likely to be new to the world of containerized apps

README.md

@@ -90,7 +90,11 @@ Architecture
 * A [Node.js](/result) or [ASP.NET Core SignalR](/result/dotnet) webapp which shows the results of the voting in real time
 
 
-Note
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+Notes
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 The voting application only accepts one vote per client. It does not register votes if a vote has already been submitted from a client.
+
+This isn't an example of a properly architected perfectly designed distributed app... it's just a simple 
+example of the various types of pieces and languages you might see (queues, persistent data, etc), and how to 
+deal with them in Docker at a basic level.