Make send button translatable

contact.php

@@ -38,7 +38,7 @@ echo htmlspecialchars($_POST['real_subj'] ?? '');
 echo htmlspecialchars($_POST['msg'] ?? '');
 ?></textarea></label><br>
 <label><input type="checkbox" name="accept_privacy" required<?php echo isset($_REQUEST['accept_privacy']) ? ' checked' : ''; ?>><?php echo _('I have read and agreed to the <a href="/privacy.php" target="_blank">Privacy Policy</a>'); ?></label><br>
-<input type="submit" name="action" value="Send"></form><br>
+<button type="submit" name="action"><?php echo _('Send'); ?></button></form><br>
 <?php
 if($_SERVER['REQUEST_METHOD']==='POST'){
 	$subject='Formmail';