diff --git a/README.md b/README.md
index 91842ce..0878b7d 100644
--- a/README.md
+++ b/README.md
@@ -23,3 +23,8 @@ Architecture
 * A Postgres database backed by a Docker volume
 * A Node.js webapp which shows the results of the voting in real time
 
+
+Note
+----
+
+The voting application only accepts one vote per client. It does not register votes if a vote has already been submitted from a client.
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