search by output global idx added

src/templates/header.html

@@ -92,7 +92,9 @@
     <div class="center">
     <form action="/search" method="get" style="width:100%; margin-top:15px" class="style-1">
       <input type="text" name="value" size="100"
-             placeholder="blk height, blk hash, tx hash, tx payment id, encrypted payment id, tx public key, input key image, output public key, and goi:output global idx ">
+             placeholder="blk height, blk hash, tx hash, tx payment id,
+             encrypted payment id, tx public key, input key image, output public key,
+             and goi_output global idx> ">
       <input type="submit" value="Search">
     </form>
     </div>