diff --git a/sim/.env.example b/sim/.env.example
index 50c7c1cad3..0b47f1ca0d 100644
--- a/sim/.env.example
+++ b/sim/.env.example
@@ -6,7 +6,7 @@ BETTER_AUTH_SECRET=your_secret_key  # Use `openssl rand -hex 32` to generate, or
 BETTER_AUTH_URL=http://localhost:3000
 
 ## Security (Required)
-ENCRYPTION_KEY=your_encryption_key  # Use `openssl rand -hex 64` to generate
+ENCRYPTION_KEY=your_encryption_key  # Use `openssl rand -hex 32` to generate
 
 # Email Provider (Optional)
 # RESEND_API_KEY=  # Uncomment and add your key from https://resend.com to send actual emails