diff --git a/TESTING.md b/TESTING.md
index 7320bc8..c9c40d1 100644
--- a/TESTING.md
+++ b/TESTING.md
@@ -24,7 +24,7 @@ This document provides a regression testing checklist for COSMIC Files. The chec
 
 ### Advanced navigation & view settings
 
-- [ ] Image and video thumbnails display in local folders.
+- [ ] Image and video thumbnails generate & display in local folders.
 - [ ] Gallery preview shows with Spacebar.
 - [ ] Details pane shows with Ctrl+Spacebar.
 - [ ] Zoom in/out and reset to default zoom work.