diff --git a/add_certificate_modal.php b/add_certificate_modal.php
index 6bf683c4..fa1582e1 100644
--- a/add_certificate_modal.php
+++ b/add_certificate_modal.php
@@ -51,15 +51,15 @@
             </div>
           </div>
 
-        <div class="form-group">
+          <div class="form-group">
             <label>Public Key </label>
             <div class="input-group">
-                <div class="input-group-prepend">
-                    <span class="input-group-text"><i class="fa fa-fw fa-key"></i></span>
-                </div>
-                <textarea class="form-control" name="public_key" placeholder="-----BEGIN CERTIFICATE-----"></textarea>
+              <div class="input-group-prepend">
+                <span class="input-group-text"><i class="fa fa-fw fa-key"></i></span>
+              </div>
+              <textarea class="form-control" name="public_key" placeholder="-----BEGIN CERTIFICATE-----"></textarea>
             </div>
-        </div>
+          </div>
 
         </div>
         <div class="modal-footer bg-white">
diff --git a/db.sql b/db.sql
index 75c59cca..9d7d7bdd 100644
--- a/db.sql
+++ b/db.sql
@@ -186,11 +186,11 @@ CREATE TABLE `certificates` (
   `certificate_domain` varchar(200) DEFAULT NULL,
   `certificate_issued_by` varchar(200) NOT NULL,
   `certificate_expire` date DEFAULT NULL,
+  `certificate_public_key` varchar(1500) DEFAULT NULL,
   `certificate_notes` text DEFAULT NULL,
   `certificate_created_at` datetime NOT NULL,
   `certificate_updated_at` datetime DEFAULT NULL,
   `certificate_archived_at` datetime DEFAULT NULL,
-  `certificate_public_key` varchar(1500) NOT NULL,
   `certificate_client_id` int(11) NOT NULL,
   `company_id` int(11) NOT NULL,
   PRIMARY KEY (`certificate_id`)
@@ -1154,4 +1154,4 @@ CREATE TABLE `vendors` (
 /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
 /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
 
--- Dump completed on 2021-12-27 12:04:12
+-- Dump completed on 2022-01-04 11:34:48
diff --git a/edit_certificate_modal.php b/edit_certificate_modal.php
index 979122ea..b6e8c2d7 100644
--- a/edit_certificate_modal.php
+++ b/edit_certificate_modal.php
@@ -51,15 +51,15 @@
             </div>
           </div>
 
-        <div class="form-group">
+          <div class="form-group">
             <label>Public Key </label>
             <div class="input-group">
-                <div class="input-group-prepend">
-                    <span class="input-group-text"><i class="fa fa-fw fa-key"></i></span>
-                </div>
-                <textarea class="form-control" name="public_key"><?php echo $certificate_public_key; ?></textarea>
+              <div class="input-group-prepend">
+                <span class="input-group-text"><i class="fa fa-fw fa-key"></i></span>
+              </div>
+              <textarea class="form-control" name="public_key"><?php echo $certificate_public_key; ?></textarea>
             </div>
-        </div>
+          </div>
 
         </div>
         <div class="modal-footer bg-white">
diff --git a/setup.php b/setup.php
index b7d2cb78..06406cf8 100644
--- a/setup.php
+++ b/setup.php
@@ -953,14 +953,13 @@ if(isset($_POST['add_company_settings'])){
                 <li>Acquire balance can be useful for customer's to get their balance by phone</li>
               </ul>
                 <?php
-                    // Check that there is access to write config.php
-                    if (!file_put_contents("config.php", "Test")) {
-                        echo "<div class=\"alert alert-danger\" role=\"alert\">Warning: config.php is not writable. Ensure Apache has write access. </div>";
-                    }
-                    else {
-                        // Else, able to write. Tidy up
-                        unlink("config.php");
-                    }
+                  // Check that there is access to write config.php
+                  if(!file_put_contents("config.php", "Test")){
+                    echo "<div class='alert alert-danger'>Warning: config.php is not writable. Ensure the webserver user has write access.</div>";
+                  }else{
+                    // Else, able to write. Tidy up
+                    unlink("config.php");
+                  }
                 ?>
               <center><a href="?database" class="btn btn-primary">Setup <i class="fa fa-fw fa-arrow-alt-circle-right"></i></a></center>
             </div>