ACP2E-2709: [Feature Request] Customer suggests that Submit Comment Button on Order Details page is confusing and should be changed to something else

Author: Sarmistha

app/code/Magento/Sales/Block/Adminhtml/Order/View/History.php

@@ -63,7 +63,7 @@ protected function _prepareLayout()
         $button = $this->getLayout()->createBlock(
             \Magento\Backend\Block\Widget\Button::class
         )->setData(
-            ['label' => __('Submit Comment'), 'class' => 'action-save action-secondary', 'onclick' => $onclick]
+            ['label' => __('Update Changes'), 'class' => 'action-save action-secondary', 'onclick' => $onclick]
         );
         $this->setChild('submit_button', $button);
         return parent::_prepareLayout();