ui: polished the guide text

hermet · hermet · commit 67e786261950 · 2025-04-11T01:01:40.000+09:00
diff --git a/index.html b/index.html
@@ -35,7 +35,7 @@
 <body>
 	<section>
 		<div id="image-area">
-			<div id="image-placeholder">Drop a file here or click to browse (.svg, .lot(json), .jpg, .png, .webp)<br/><small>ThorVG Viewer works on your local device. File(s) won't be uploaded to the internet.</small></div>
+			<div id="image-placeholder">Drag and drop a file here, or click to browse (.svg, lottie: .json/.lot)<br/><small>ThorVG Viewer works on your local device. File(s) won't be uploaded to the internet.</small></div>
 			<input id="image-file-selector" type="file" accept=".svg,.lot,.json,.jpg,.png" multiple>
 		</div>
 		<div id="console-area" class="hidden">
