diff --git a/README.md b/README.md
index c7ab286..e76a79d 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 [LIVE DEMO](https://giandonatoinverso.it/qrcode)
 
-[DOCUMENTATION](https://giandonatoinverso.it/documentation)
+[DOCUMENTATION](https://giandonatoinverso.it/qrcode/documentation)
 
 [![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=UEYVHYZYCGYYN)
 
diff --git a/documentation/index.html b/documentation/index.html
index d1e194d..f607923 100644
--- a/documentation/index.html
+++ b/documentation/index.html
@@ -84,6 +84,7 @@
             <p><u>Follow these steps to install the script locally:</u></p>
             <ol><strong>
                 <li>Clone the project from github</li>
+                <li>Use src/ folder as Document Root of your webserver</li>
                 <li>Edit config/environment.php with your database credential</li>
                 <li>Launch install/setup.php file in your browser </li>
                 <p>The script checks the requirements, write permissions on the generated folders and creates a database with sample data</p>
diff --git a/src/bulk_action.php b/src/bulk_action.php
index 1c7e46b..d0956c0 100644
--- a/src/bulk_action.php
+++ b/src/bulk_action.php
@@ -6,16 +6,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     $db = getDbInstance();
     $json = json_decode(file_get_contents('php://input'), true);
 
-    if (isset($json['action'])) {
-        $action = filter_var($json['action'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
-    } else {
-        echo json_encode([
-            'data' => 'Missing action field in the request.',
-            'status' => 400
-        ]);
-        exit();
-    }
-
     $params = $json['params'];
     $files = [];
 
diff --git a/src/forms/form_dynamic_edit.php b/src/forms/form_dynamic_edit.php
index 17c0c7b..868ceb3 100644
--- a/src/forms/form_dynamic_edit.php
+++ b/src/forms/form_dynamic_edit.php
@@ -47,6 +47,7 @@
                 if(isset($dynamic_qrcode['id_owner'])) {
                     $owner = $users_instance->getUser($dynamic_qrcode['id_owner']);
                     echo "<option selected value=\"" . $owner["id"] . "\">" . $owner["username"] . "</option>";
+                    echo "<option value=\"\">All</option>";
                 }
 
                 $users = $users_instance->getAllUsers();