diff --git a/readme.md b/readme.md
index 47b4ff2..6fc45c0 100644
--- a/readme.md
+++ b/readme.md
@@ -51,7 +51,7 @@ This will:
 
 You should be able to launch the app on the platform you built for. If not, check your settings and try again.
 
-**Be careful** not to include node_modules you don't want into your final app. `Electron-packager`, `electron-prebuilt` and `.git` will be ignored by default. You can use `--ignore` to ignore files and folders, e.g. `--ignore=node_modules/electron-packager`.
+**Be careful** not to include node_modules you don't want into your final app. `Electron-packager`, `electron-prebuilt` and `.git` will be ignored by default. You can use `--ignore` to ignore files and folders, e.g. `--ignore=node_modules/electron-packager` or `--ignore="node_modules/(electron-packager|electron-prebuilt)"`.
 
 ### API
 ```javascript