diff --git a/frontend/index.html b/frontend/index.html
index db8eb09..2b5399e 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -535,7 +535,7 @@
 	<div id="c-apdu-sub-parse" class="hidden">
 		<div class="mb-3">
 			<label class="block mb-1 text-sm font-medium text-gray-700 dark:text-slate-300" data-l10n="APDU hex">APDU hex</label>
-			<textarea id="parse-input" rows="4" class="w-full font-mono border border-gray-300 dark:border-slate-600 text-sm rounded px-3 py-1.5 dark:bg-slate-800" placeholder="80E60C00 ..."></textarea>
+			<textarea id="parse-input" rows="4" class="w-full font-mono border border-gray-300 dark:border-slate-600 text-sm rounded px-3 py-1.5 dark:bg-slate-800" placeholder="80 E6 0C 00 ..."></textarea>
 		</div>
 		<button onclick="parseHex()" class="mb-3 px-5 py-2.5 bg-blue-600 text-white text-sm font-medium rounded hover:bg-blue-700" data-l10n="Decode">Decode</button>
 		<div id="parse-output"></div>