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>