diff --git a/components/UploadScreen.tsx b/components/UploadScreen.tsx
index 55cc8ce..50dfd83 100644
--- a/components/UploadScreen.tsx
+++ b/components/UploadScreen.tsx
@@ -32,7 +32,7 @@ import { UNORGANIZED_ID, type Difficulty } from "@/lib/schemas";
 import { upsertDeck } from "@/lib/storage";
 import { openSettings } from "@/lib/ui-events";
 import { cn, uid } from "@/lib/utils";
-import { CameraIcon, FolderIcon, IceCubeIcon, PlusIcon, SnowflakeIcon, SunIcon } from "@/components/icons";
+import { CameraIcon, FolderIcon, IceCubeIcon, PlusIcon, SnowflakeIcon, SparklesIcon, SunIcon } from "@/components/icons";
 import { Button, ProgressBar } from "@/components/ui";
 
 type Phase = "idle" | "preparing" | "loading" | "error";
@@ -720,15 +720,15 @@ export function UploadScreen() {
         </section>
 
         <div className="sticky bottom-[calc(env(safe-area-inset-bottom,0px)+4.6rem)] z-20 -mx-4 space-y-2 border-t border-[var(--hairline)] bg-white/65 px-4 py-3 backdrop-blur-2xl dark:bg-[color-mix(in_oklab,var(--surface)_70%,transparent)] sm:bottom-0 sm:mx-0 sm:rounded-[1.35rem] sm:border sm:px-5">
-          {/* Same CTA shape as the homework flow: feature icon, full-width,
-              helper line centred underneath. */}
+          {/* Visually identical to the homework flow's CTA — same icon, shape
+              and helper line — only the label differs. */}
           <Button
             size="lg"
             className="touch-target w-full"
             onClick={() => void generate()}
             disabled={!canGenerate}
           >
-            <SnowflakeIcon className="size-5" /> {t("upload.freezeDeck")}
+            <SparklesIcon className="size-5" /> {t("upload.freezeDeck")}
           </Button>
           <p className="text-center text-[12px] text-[var(--text-subtle)]">
             {documentsBusy
diff --git a/public/sw.js b/public/sw.js
index 1e96c85..69d6e6b 100644
--- a/public/sw.js
+++ b/public/sw.js
@@ -9,7 +9,7 @@
  *
  * Bumping CACHE_VERSION is how a new deploy invalidates old assets.
  */
-const CACHE_VERSION = "freezmo-v14";
+const CACHE_VERSION = "freezmo-v15";
 const SHELL_CACHE = `${CACHE_VERSION}-shell`;
 const ASSET_CACHE = `${CACHE_VERSION}-assets`;