diff --git a/templates/admin/users_add.html.php b/templates/admin/users_add.html.php
index 2239c28..4ebcbb2 100644
--- a/templates/admin/users_add.html.php
+++ b/templates/admin/users_add.html.php
@@ -2,19 +2,19 @@
 
 <form method="POST">
     <label for="nick">Username</label>
-    <input type="text" name="nick" id="nick" required>
+    <input type="text" name="nick" id="nick" maxlength="20" required>
     <br>
 
     <label for="new_password">Password</label>
-    <input type="password" name="new_password" id="new_password" required>
+    <input type="password" name="new_password" id="new_password" maxlength="40" required>
     <br>
 
     <label for="first">First</label>
-    <input type="text" name="first" id="first" required>
+    <input type="text" name="first" id="first" maxlength="40" required>
     <br>
 
     <label for="last">Last</label>
-    <input type="text" name="last" id="last" required>
+    <input type="text" name="last" id="last" maxlength="40" required>
     <br>
 
     <label for="is_admin">Is Admin</label>
diff --git a/templates/admin/users_edit.html.php b/templates/admin/users_edit.html.php
index ea3d00d..1f06fa3 100644
--- a/templates/admin/users_edit.html.php
+++ b/templates/admin/users_edit.html.php
@@ -4,19 +4,19 @@
     <input type="hidden" name="id" value="<?= $editUser->getId() ?>">
 
     <label for="nick">Username</label>
-    <input type="text" name="nick" id="nick" value="<?= $editUser->getNick() ?>" required>
+    <input type="text" name="nick" id="nick" value="<?= $editUser->getNick() ?>" maxlength="20" required>
     <br>
 
     <label for="new_password">Password (leave empty to keep the current one)</label>
-    <input type="password" name="new_password" id="new_password">
+    <input type="password" name="new_password" id="new_password" maxlength="40">
     <br>
 
     <label for="first">First</label>
-    <input type="text" name="first" id="first" value="<?= $editUser->getFirst() ?>" required>
+    <input type="text" name="first" id="first" value="<?= $editUser->getFirst() ?>" maxlength="40" required>
     <br>
 
     <label for="last">Last</label>
-    <input type="text" name="last" id="last" value="<?= $editUser->getLast() ?>" required>
+    <input type="text" name="last" id="last" value="<?= $editUser->getLast() ?>" maxlength="40" required>
     <br>
 
     <label for="is_admin">Is Admin</label>
diff --git a/templates/index.html.php b/templates/index.html.php
index e1b5993..40bb7bb 100644
--- a/templates/index.html.php
+++ b/templates/index.html.php
@@ -18,12 +18,12 @@
     <?php foreach ($addresses as $address): ?>
     <?php $id = $address->getId(); ?>
     <tr id="row_<?= $id ?>">
-            <td><input type="text" id="first_<?= $id ?>" value="<?= $address->getFirst(); ?>" disabled></td>
-            <td><input type="text" id="last_<?= $id ?>" value="<?= $address->getLast(); ?>" disabled></td>
-            <td><input type="text" id="street_<?= $id ?>" value="<?= $address->getStreet(); ?>" disabled></td>
-            <td><input type="text" id="zip_<?= $id ?>" value="<?= $address->getZip(); ?>" disabled></td>
-            <td><input type="text" id="city_<?= $id ?>" value="<?= $address->getCity(); ?>" disabled></td>
-            <td><input type="text" id="phone_<?= $id ?>" value="<?= $address->getPhone(); ?>" disabled></td>
+            <td><input type="text" id="first_<?= $id ?>" value="<?= $address->getFirst(); ?>" maxlength="80" disabled></td>
+            <td><input type="text" id="last_<?= $id ?>" value="<?= $address->getLast(); ?>" maxlength="80" disabled></td>
+            <td><input type="text" id="street_<?= $id ?>" value="<?= $address->getStreet(); ?>" maxlength="80" disabled></td>
+            <td><input type="text" id="zip_<?= $id ?>" value="<?= $address->getZip(); ?>" maxlength="10" disabled></td>
+            <td><input type="text" id="city_<?= $id ?>" value="<?= $address->getCity(); ?>" maxlength="80" disabled></td>
+            <td><input type="text" id="phone_<?= $id ?>" value="<?= $address->getPhone(); ?>" maxlength="30" disabled></td>
             <td>
                 <input type="button" value="Edit" id="edit_button_<?= $id ?>" onclick="editAddress('<?= $id ?>')">
             </td>