diff --git a/index.html b/index.html
index 0852f05..6890320 100644
--- a/index.html
+++ b/index.html
@@ -75,6 +75,7 @@
         <th data-sort-by="publisher" class="tHeader publisher">Publisher</th>
         <th data-sort-by="year" class="tHeader year">Year</th>
         <th class="tHeader isbn">ISBN</th>
+        <th class="tHeader signed">Signed?</th>
       </tr>
       {{#books}}
         <tr class="tRow" id="{{rowNumber}}">