diff --git a/lib/binance.ex b/lib/binance.ex
index db11734..4e477ab 100644
--- a/lib/binance.ex
+++ b/lib/binance.ex
@@ -80,7 +80,7 @@ docs
         end)
         |> Kernel.++([
           %{name: "api_key", description: "Binance API key, will overwrite env key"},
-          %{name: "api_secret", description: "Binance API secret, will overwrite env secret"}
+          %{name: "secret_key", description: "Binance API secret, will overwrite env secret"}
         ])
 
       optional_params =
diff --git a/test/binance_test.exs b/test/binance_test.exs
index 53f2f40..4c1d627 100644
--- a/test/binance_test.exs
+++ b/test/binance_test.exs
@@ -66,7 +66,7 @@ defmodule BinanceTest do
     use_cassette "get_open_orders_for_api_key_and_secret_key",
       match_requests_on: [:headers, :request_body] do
       assert {:error, {:binance_error, %{code: -2014, msg: "API-key format invalid."}}} =
-               Binance.Trade.get_open_orders(api_key: "dummy_api_key", api_secret: "hoge")
+               Binance.Trade.get_open_orders(api_key: "dummy_api_key", secret_key: "hoge")
 
       Application.put_env(:binance, :api_key, "dummy_api_key")