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

@@ -59,7 +59,7 @@ protected function _prepareLayout()
         $button = $this->getLayout()->createBlock(
             \Magento\Backend\Block\Widget\Button::class
         )->setData(
-            ['label' => __('Update Changes'), 'class' => 'action-save action-secondary', 'onclick' => $onclick]
+            ['label' => __('Update'), 'class' => 'action-save action-secondary', 'onclick' => $onclick]
         );
         $this->setChild('submit_button', $button);
         return parent::_prepareLayout();

app/code/Magento/Sales/i18n/en_US.csv

@@ -820,3 +820,4 @@ If set YES Email field will be required during Admin order creation for new Cust
 "Logo for PDF Print-outs","Logo for PDF Print-outs"
 "Please provide a comment text or update the order status to be able to submit a comment for this order.", "Please provide a comment text or update the order status to be able to submit a comment for this order."
 "A status change or comment text is required to submit a comment.", "A status change or comment text is required to submit a comment."
+"Update","Update"

dev/tests/integration/testsuite/Magento/Sales/Controller/Adminhtml/Order/ViewCommentTest.php

@@ -52,7 +52,7 @@ public function testVerifyStatusCommentUpdateButtonLabel(): void
         $this->dispatch('backend/sales/order/view/');
         $content = $this->getResponse()->getBody();
         $this->assertStringContainsString(
-            '<span>Update Changes</span>',
+            '<span>Update</span>',
             $content
         );
     }