diff --git a/README.md b/README.md
index 94e2fe3..df341a3 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ private_key = Keypair.from_bytes(base58.b58decode(os.getenv("PRIVATE-KEY"))) # P
 async_client = AsyncClient("SOLANA-RPC-ENDPOINT-URL")
 jupiter = Jupiter(
     async_client=async_client,
-    private_key=private_key,
+    keypair=private_key,
     quote_api_url="https://quote-api.jup.ag/v6/quote?",
     swap_api_url="https://quote-api.jup.ag/v6/swap",
     open_order_api_url="https://jup.ag/api/limit/v1/createOrder",