update description in sample subscription api

examples/subscription/credit_card_subscription_example.py

@@ -11,10 +11,10 @@
 )
 
 # To use API subscription for credit card, you should first obtain the 1 click token
-# Refer to docs: https://docs.midtrans.com/en/core-api/advanced-features?id=recurring-transaction-with-subscriptions-api
+# Refer to this docs: https://docs.midtrans.com/en/core-api/advanced-features?id=recurring-transaction-with-subscriptions-api
 
-# You will receive saved_token_id after complete 3ds authentication (it also available in the JSON of HTTP notification)
-# Refer to docs: https://docs.midtrans.com/en/core-api/advanced-features?id=sample-3ds-authenticate-json-response-for-the-first-transaction
+# You will receive saved_token_id as part of the response when the initial card payment is accepted (will also available in the HTTP notification's JSON)
+# Refer to this docs: https://docs.midtrans.com/en/core-api/advanced-features?id=sample-3ds-authenticate-json-response-for-the-first-transaction
 # {
 #   ...
 #   "card_type": "credit",

examples/subscription/gopay_subscription_example.py

@@ -11,10 +11,10 @@
 )
 
 # To use API subscription for gopay, you should first link your customer gopay account with gopay tokenization
-# Refer to docs: https://api-docs.midtrans.com/#gopay-tokenization
+# Refer to this docs: https://api-docs.midtrans.com/#gopay-tokenization
 
-# You will receive gopay payment token with get_payment_account API
-# Check Tokenization examples folder (/examples/tokenization)
+# You will receive gopay payment token using `get_payment_account` API call.
+# You can see some Tokenization API examples here (examples/tokenization)
 # {
 #     "status_code": "200",
 #     "payment_type": "gopay",