fix label

piechart.html

@@ -60,7 +60,7 @@
 			div.appendChild(div2);
 			const chks = {};
 			for (const q of no == 8 ? d2key.sort() : d2key) {
-				const lbl = document.createElement("labal");
+				const lbl = document.createElement("label");
 				const chk = document.createElement("input");
 				chk.type = "checkbox";
 				const nn = document.createElement("span");