Update build/index.html

Fix https://twitter.com/poolio/status/1563234806749491201
But it's up to you whether you want to push it or not. It's a typo that has its charm ;)

build/index.html

@@ -20,7 +20,7 @@
 <div class="flex flex-wrap gap-x-4 gap-y-2 justify-center my-8"><canvas class="border-[1.2px] desktop:mt-[34px] hidden"></canvas>
 	<div class="flex flex-col items-center "><div id="board-container"></div>
 		<div><div class="flex gap-x-2 mt-3 items-center justify-center "><input type="text" class="border-2 py-1" placeholder="Add prompt" maxlength="200" value="">
-				<button class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-1.5 px-4">diffuse the f rest
+				<button class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-1.5 px-4">diffuse the rest
 				</button></div>
 			<div class="mt-4"><label class="inline border py-1 px-1.5 bg-slate-200 cursor-pointer"><input accept="image/*" style="display: none;" type="file">
 					upload img