diff --git a/src/browser/main/tab/page/navigation/request.rs b/src/browser/main/tab/page/navigation/request.rs
index 0ec4ab27..0c8bb116 100644
--- a/src/browser/main/tab/page/navigation/request.rs
+++ b/src/browser/main/tab/page/navigation/request.rs
@@ -80,6 +80,7 @@ impl Request {
                         // Animate
                         if *progress.fraction.borrow() > widget.progress_fraction() {
                             widget.set_progress_fraction(
+                                // Currently, here is no outrange validation, seems that wrapper make this work @TODO
                                 widget.progress_fraction() + PROGRESS_ANIMATION_STEP,
                             );
                             return ControlFlow::Continue;