UI consistency in comments (2)

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>

crates/bevy_ui/src/entity.rs

@@ -35,7 +35,7 @@ pub struct NodeBundle {
     pub visibility: Visibility,
     /// Algorithmically-computed indication of whether an entity is visible and should be extracted for rendering
     pub computed_visibility: ComputedVisibility,
-    /// The ui camera layers this node is visible in.
+    /// The UI camera layers this node is visible in.
     pub render_layers: RenderLayers,
 }