diff --git a/php/semesterapparat.php b/php/semesterapparat.php
index 3ceff35..1042863 100644
--- a/php/semesterapparat.php
+++ b/php/semesterapparat.php
@@ -139,6 +139,7 @@
             row.innerHTML = `
                 <td><input type="text" name="authorname[]" required></td>
                 <td><input type="text" name="year[]" required></td>
+                <td><input type="text" name="edition[]" required></td>
                 <td><input type="text" name="booktitle[]" required></td>
                 <td><input type="text" name="signature[]"></td>
             `;