diff --git a/backend/.env.development b/backend/.env.development
index f69cbda4..149d2296 100644
--- a/backend/.env.development
+++ b/backend/.env.development
@@ -14,10 +14,12 @@ GITHUB_CLIENT_SECRET=your_github_client_secret_here
 # Example: http://localhost:3000/auth/login/github (For development mode)
 GITHUB_CALLBACK_URL=http://localhost:3000/auth/login/github
 
-# JWT_AUTH_SECRET: Secret key for JWT authentication.
-# This key is used to sign and verify JWT tokens.
+# JWT_ACCESS_TOKEN_SECRET: Secret key for signing and verifying access tokens.
+# JWT_ACCESS_TOKEN_EXPIRATION_TIME: Expiration time for access tokens in seconds.
 JWT_ACCESS_TOKEN_SECRET=you_should_change_this_secret_key_in_production
 JWT_ACCESS_TOKEN_EXPIRATION_TIME=86400
+# JWT_REFRESH_TOKEN_SECRET: Secret key for signing and verifying refresh tokens.
+# JWT_REFRESH_TOKEN_EXPIRATION_TIME: Expiration time for refresh tokens in seconds.
 JWT_REFRESH_TOKEN_SECRET=you_should_change_this_secret_key_in_production
 JWT_REFRESH_TOKEN_EXPIRATION_TIME=604800