improve tag dialog

src/articles/index.html

@@ -58,7 +58,7 @@
 			<div id="index-menu">
 				<div id="tag-filter">
 					<span>Filtrer les articles:</span>
-					<button id="tag-choose">par étiquette</button>
+					<button id="tag-choose">🏷️&nbsp;par étiquette</button>
 				</div>
 				<dialog id="tag-dialog">
 					<header>