diff --git a/detect/testing/playwright-reporter.mdx b/detect/testing/playwright-reporter.mdx
index 24b7d011..8df4a4c6 100644
--- a/detect/testing/playwright-reporter.mdx
+++ b/detect/testing/playwright-reporter.mdx
@@ -162,6 +162,7 @@ export default defineConfig({
 | `CHECKLY_API_KEY` | Your Checkly API key |
 | `CHECKLY_ACCOUNT_ID` | Your Checkly account ID |
 | `CHECKLY_REPORTER_VERBOSE` | Set to `true` for detailed debug output |
+| `NODE_ENV` | Sets the **environment** field for uploaded test sessions. Defaults to `test` when unset |
 
 <Warning>
 **Security Note**: Always use environment variables for credentials. Never commit API keys to version control.