Fix typo in order note

PR woocommerce#24501 fixed a typo in a order note string. This commit fix the same
problem in another place where the same string is used.

includes/gateways/paypal/class-wc-gateway-paypal.php

@@ -408,7 +408,7 @@ public function capture_payment( $order_id ) {
 			if ( is_wp_error( $result ) ) {
 				$this->log( 'Capture Failed: ' . $result->get_error_message(), 'error' );
 				/* translators: %s: Paypal gateway error message */
-				$order->add_order_note( sprintf( __( 'Payment could not captured: %s', 'woocommerce' ), $result->get_error_message() ) );
+				$order->add_order_note( sprintf( __( 'Payment could not be captured: %s', 'woocommerce' ), $result->get_error_message() ) );
 				return;
 			}