diff --git a/index.html b/index.html
index 15b6c81..04189dc 100644
--- a/index.html
+++ b/index.html
@@ -31,6 +31,7 @@
     <form id="merge-form">
         <div id="calendars">
             <div class="calendar">
+                <input type="text" id="link-group-name-0" placeholder="Link Group Name">
                 <input type="text" id="prefix-0" placeholder="Prefix">
                 <input type="checkbox" id="override-0">
                 <label for="override-0">Override</label>