diff --git a/ilc/client/CssTrackedApp.js b/ilc/client/CssTrackedApp.js
index 6781baeb..776fa0a6 100644
--- a/ilc/client/CssTrackedApp.js
+++ b/ilc/client/CssTrackedApp.js
@@ -4,6 +4,7 @@ export class CssTrackedApp {
     #originalApp;
     #cssLinkUri;
     #delayCssRemoval;
+    // used to prevent removing CSS immediately after unmounting
     #isRouteChanged = false;
     #routeChangeListener;
 
@@ -22,8 +23,10 @@ export class CssTrackedApp {
         this.#cssLinkUri = cssLink;
         this.#delayCssRemoval = delayCssRemoval;
 
-        // add route change listener for embedded apps
         if (!delayCssRemoval) {
+            // In an embedded app, removing CSS immediately after unmounting can cause visual glitches
+            // while a spinner is loading and the route is changing. Delaying CSS removal until the route
+            // change is complete ensures styles remain intact during the transition.
             this.#addRouteChangeListener();
         }
     }
@@ -128,6 +131,7 @@ export class CssTrackedApp {
     }
 
     #shouldDelayRemoval() {
+        // If the route is changing, we should delay CSS removal to prevent visual glitches.
         return this.#delayCssRemoval || this.#isRouteChanged;
     }