Merge remote-tracking branch 'git-31058/patch-1' into bluetooth_delivery

Author: engcom-Echo

app/code/Magento/CatalogInventory/Model/StockItemValidator.php

@@ -13,7 +13,7 @@
 use Magento\Framework\Exception\LocalizedException;
 
 /**
- * StockItemValidator
+ *  Validate Stock item
  */
 class StockItemValidator
 {
@@ -67,7 +67,7 @@ public function validate(ProductInterface $product, StockItemInterface $stockIte
             throw new LocalizedException(
                 __(
                     'The "%1" value is invalid for stock item ID. '
-                    . 'Enter either zero or a number than zero to try again.',
+                    . 'Enter either null or a number greater than zero to try again.',
                     $stockItemId
                 )
             );