diff --git a/14/hardhat.config.js b/14/hardhat.config.js
index 8aa8b78..011589e 100644
--- a/14/hardhat.config.js
+++ b/14/hardhat.config.js
@@ -21,7 +21,7 @@ module.exports = {
   networks: {
     mumbai: {
       url: process.env.MUMBAI_URL,
-      account: [ process.env.PRIVATE_KEY ]
+      accounts: [ process.env.PRIVATE_KEY ]
     }
   }
 };