typo

build/templates/analytics.template

@@ -6,7 +6,7 @@
 
   function addScript(src, fn) {
     const script = document.createElement('script');
-    const firstScript = document.getElementsByTag('script')[0];
+    const firstScript = document.getElementsByTagName('script')[0];
     script.async = true;
     script.defer = true;
     if (fn) {