fix text order on reader page

reader.html

@@ -18,7 +18,7 @@ html
 </head>
 
 <body lang="ja">
-<p id="helptext"><i>This page grabs from the clipboard automatically if it contains Japanese text. If this page is not opened, Nazeka will never access the clipboard.</i></p>
+<p><i>This page grabs from the clipboard automatically if it contains Japanese text. If this page is not opened, Nazeka will never access the clipboard.</i></p>
 <p><i>Use the context menu (right click the page) to toggle Nazeka.</i></p>
 <div style="position:absolute;visibility:hidden"><textarea id="nazeka-paste-target"></textarea></div>
 </body>

reader.js

@@ -27,7 +27,7 @@ function update(text)
     let newnode = document.createElement("p");
     newnode.textContent = text;
     
-    target.insertBefore(newnode, document.querySelector("#helptext"));
+    target.insertBefore(newnode, document.body.firstChild);
 }
 
 let text_previous = "";