diff --git a/App/Controllers/Admin/Plugin/Uninstall.php b/App/Controllers/Admin/Plugin/Uninstall.php
index 7dd4517..010213e 100644
--- a/App/Controllers/Admin/Plugin/Uninstall.php
+++ b/App/Controllers/Admin/Plugin/Uninstall.php
@@ -37,7 +37,7 @@ private function doUninstallAction()
 
             // reset order number in `posts` table.
             $PostOrder = new \RdPostOrder\App\Models\PostOrder();
-            $PostOrder->resetPosts();
+            $PostOrder->setMenuOrderToZero();
             unset($PostOrder);
 
             // remove option related to this plugin.
diff --git a/App/Controllers/Admin/Settings/MultisiteSettings.php b/App/Controllers/Admin/Settings/MultisiteSettings.php
index 22bae80..0414da6 100644
--- a/App/Controllers/Admin/Settings/MultisiteSettings.php
+++ b/App/Controllers/Admin/Settings/MultisiteSettings.php
@@ -51,6 +51,8 @@ public function networkSettingsPageAction()
 
                 $resetPostOrders = filter_input(INPUT_POST, 'rd-postorder-remove-order-numbers', FILTER_SANITIZE_NUMBER_INT);
                 if ($resetPostOrders == '1') {
+                    // if setting to remove order numbers (reset post orders).
+                    // reset post orders on all site.
                     global $wpdb;
 
                     $blog_ids = $wpdb->get_col('SELECT blog_id FROM '.$wpdb->blogs);
@@ -62,7 +64,7 @@ public function networkSettingsPageAction()
                         foreach ($blog_ids as $blog_id) {
                             switch_to_blog($blog_id);
                             // reset post order.
-                            $PostOrder->resetPosts();
+                            $PostOrder->setMenuOrderToZero();
                         }// endforeach;
                         unset($PostOrder);
                     }
diff --git a/App/Models/PostOrder.php b/App/Models/PostOrder.php
index fcf8d81..ac250c4 100644
--- a/App/Models/PostOrder.php
+++ b/App/Models/PostOrder.php
@@ -42,13 +42,13 @@ public function getLatestMenuOrder()
 
 
         /**
-         * Reset `menu_order` column on `posts` table to zero (its default value).
+         * Set `menu_order` column on `posts` table to zero (its default value).
          * 
          * This will be use on uninstall or reset all posts order on multi-site admin settings.
          * 
          * @global \wpdb $wpdb WordPress DB class.
          */
-        public function resetPosts()
+        public function setMenuOrderToZero()
         {
           global $wpdb;
 
@@ -79,7 +79,7 @@ public function resetPosts()
                 unset($row);
             }
             unset($results);
-        }// resetPosts
+        }// setMenuOrderToZero
 
 
         /**