diff --git a/internal/file/file_notjs.go b/internal/file/file_notjs.go
index f9428b85b..ea58456af 100644
--- a/internal/file/file_notjs.go
+++ b/internal/file/file_notjs.go
@@ -64,7 +64,8 @@ func (v *VirtualFS) Open(name string) (fs.File, error) {
 		if filepath.Base(realPath) != es[0] {
 			continue
 		}
-		// TODO: Does this work on Windows?
+		// os.File should implement fs.File interface, so this should be fine even on Windows.
+		// See https://cs.opensource.google/go/go/+/refs/tags/go1.23.0:src/os/file.go;l=695-710
 		return os.Open(filepath.Join(append([]string{realPath}, es[1:]...)...))
 	}