CartCommand.php: Fix getTotalCount desc (#3052)

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Co-authored-by: Marek Nocoń <mnocon@users.noreply.github.com>

Author: adriendupuis

code_samples/api/commerce/src/Command/CartCommand.php

@@ -79,7 +79,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $cartsList = $this->cartService->findCarts($cartQuery);
 
         $cartsList->getCarts(); // array of CartInterface objects
-        $cartsList->getTotalCount(); // number of returned carts
+        $cartsList->getTotalCount(); // number of matching carts regardless of the limit
 
         foreach ($cartsList as $cart) {
             $output->writeln($cart->getIdentifier() . ': ' . $cart->getName());