diff --git a/docs/api/app.md b/docs/api/app.md
index 4b5c6ee2a6a9..adba230b0e2b 100644
--- a/docs/api/app.md
+++ b/docs/api/app.md
@@ -87,7 +87,7 @@ handle this case (even before the `ready` event is emitted).
 
 You should call `event.preventDefault()` if you want to handle this event.
 
-On Windows, you have to parse `process.argv` to get the filepath.
+On Windows, you have to parse `process.argv` (in the main process) to get the filepath.
 
 ### Event: 'open-url' _OS X_