[backport-2.2-develop] for PR 19288 - fixed typos

Author: viral-wagento

app/code/Magento/Sales/Model/Order.php

@@ -663,7 +663,7 @@ public function canCreditmemo()
     private function canCreditmemoForZeroTotalRefunded(float $totalRefunded): bool
     {
         $isRefundZero = abs($totalRefunded) < .0001;
-        // Case when Adjustment Fee (adjustment_negative) has been used for first credit memo
+        // Case when Adjustment Fee (adjustment_negative) has been used for first creditmemo
         $hasAdjustmentFee = abs($totalRefunded - $this->getAdjustmentNegative()) < .0001;
         $hasActionFlag = $this->getActionFlag(self::ACTION_FLAG_EDIT) === false;
         if ($isRefundZero || $hasAdjustmentFee || $hasActionFlag) {
@@ -686,10 +686,10 @@ private function canCreditmemoForZeroTotal(float $totalRefunded): bool
         $checkAmtTotalPaid = $totalPaid <= $this->getGrandTotal();
         //case when amount is due for invoice
         $hasDueAmount = $this->canInvoice() && $checkAmtTotalPaid;
-        //case when paid amount is refunded and order has credit memo created
-        $creditMemos = ($this->getCreditmemosCollection() === false) ?
+        //case when paid amount is refunded and order has creditmemo created
+        $creditmemos = ($this->getCreditmemosCollection() === false) ?
             true : (count($this->getCreditmemosCollection()) > 0);
-        $paidAmtIsRefunded = $this->getTotalRefunded() == $totalPaid && $creditMemos;
+        $paidAmtIsRefunded = $this->getTotalRefunded() == $totalPaid && $creditmemos;
         if (($hasDueAmount || $paidAmtIsRefunded)
             || (!$checkAmtTotalPaid && abs($totalRefunded - $this->getAdjustmentNegative()) < .0001)
         ) {

app/code/Magento/Sales/etc/adminhtml/system.xml

@@ -49,9 +49,9 @@
                 </field>
             </group>
             <group id="zerograndtotal_creditmemo" translate="label" type="text" sortOrder="30" showInDefault="1" showInWebsite="1" showInStore="1">
-                <label>Allow Zero GrandTotal for Credit Memos</label>
+                <label>Allow Zero GrandTotal</label>
                 <field id="allow_zero_grandtotal" translate="label" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
-                    <label>Allow Zero GrandTotal for Credit Memos</label>
+                    <label>Allow Zero GrandTotal for Creditmemo</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                 </field>
             </group>

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

@@ -796,3 +796,5 @@ Created,Created
 "PDF Creditmemos","PDF Creditmemos"
 Refunds,Refunds
 "Shipment with requested ID %1 doesn't correspond with Order with requested ID %2.","Shipment with requested ID %1 doesn't correspond with Order with requested ID %2."
+"Allow Zero GrandTotal for Creditmemo","Allow Zero GrandTotal for Creditmemo"
+"Allow Zero GrandTotal","Allow Zero GrandTotal"