diff --git a/README.md b/README.md
index d6ad687..5107e67 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,8 @@ end
 ### downstream
 
 ```elixir
+import Config
+
 if config_env() == :prod do
   config :floof, listen_port: nil
   config :floof, pubkey_config: %{:keydb => ".keydb"}