diff --git a/controller/web-server/client/firebase/README.md b/controller/web-server/client/firebase/README.md
index 76e2bb183..f92921ac3 100644
--- a/controller/web-server/client/firebase/README.md
+++ b/controller/web-server/client/firebase/README.md
@@ -29,7 +29,7 @@ Using Environment Variables When using Firebase Authentication, you may need to
 
    <img src="../../images/firebase_web_server_env_variable.png" width="30%"/>
 
-2. Add following environment variables to the .env file that will be used in firebase.js file.
+2. Add following environment variables to the .env file that will be used in authentication.js file.
       ```bash REACT_APP_FIREBASE_API_KEY=<REACT_APP_FIREBASE_API_KEY>
        SNOWPACK_PUBLIC_FIREBASE_API_KEY=<SNOWPACK_PUBLIC_FIREBASE_API_KEY>
        SNOWPACK_PUBLIC_AUTH_DOMAIN=<SNOWPACK_PUBLIC_AUTH_DOMAIN>