style(wc-gateway): fix docblock capitalization in CapturePayPalPayment

Author: Narek13

modules/ppcp-wc-gateway/src/Endpoint/CapturePayPalPayment.php

@@ -52,10 +52,10 @@ public function __construct(
 	/**
 	 * Creates PayPal order from the given PayPal/Venmo vault ID.
 	 *
-	 * custom_id/invoice_id are not accepted as parameters here: the PayPal
-	 * Orders v2 API only reads those fields from inside a purchase unit,
-	 * never from the request root, so from_wc_order() populates them
-	 * directly on the purchase unit built above.
+	 * The custom_id/invoice_id fields are not accepted as parameters here:
+	 * the PayPal Orders v2 API only reads them from inside a purchase
+	 * unit, never from the request root, so from_wc_order() populates
+	 * them directly on the purchase unit built above.
 	 *
 	 * @throws RuntimeException When request fails.
 	 */