diff --git a/crates/bevy_ui/src/focus.rs b/crates/bevy_ui/src/focus.rs
index 1230e76a02..1aa7237379 100644
--- a/crates/bevy_ui/src/focus.rs
+++ b/crates/bevy_ui/src/focus.rs
@@ -267,7 +267,7 @@ pub fn ui_focus_system(
             // Save the relative cursor position to the correct component
             if let Some(mut node_relative_cursor_position_component) = node.relative_cursor_position
             {
-                // Check that the values are different before save to enable Changed<> query filter
+                // Avoid triggering change detection when not necessary.
                 node_relative_cursor_position_component.set_if_neq(relative_cursor_position_component);
             }