docs: Update recommended settings in README

README.md

@@ -58,13 +58,16 @@ Tell Stripe about the webhook (Stripe webhook docs can be found
 endpoint from the urls.py step above (e.g.
 `https://example.com/stripe/webhook`).
 
-Add your Stripe keys and set the operating mode:
-
-    STRIPE_LIVE_SECRET_KEY = os.environ.get("STRIPE_LIVE_SECRET_KEY", "<your secret key>")
-    STRIPE_TEST_SECRET_KEY = os.environ.get("STRIPE_TEST_SECRET_KEY", "<your secret key>")
-    STRIPE_LIVE_MODE = False  # Change to True in production
-    DJSTRIPE_WEBHOOK_SECRET = "whsec_xxx"  # Get it from the section in the Stripe dashboard where you added the webhook endpoint
-    DJSTRIPE_FOREIGN_KEY_TO_FIELD = "id"  # Set to `"id"` for all new 2.4+ installations
+Add your Stripe keys and other settings:
+
+```py
+STRIPE_LIVE_SECRET_KEY = os.environ.get("STRIPE_LIVE_SECRET_KEY", "<live secret key>")
+STRIPE_TEST_SECRET_KEY = os.environ.get("STRIPE_TEST_SECRET_KEY", "<test secret key>")
+STRIPE_LIVE_MODE = False  # Change to True in production
+DJSTRIPE_WEBHOOK_SECRET = "whsec_xxx"  # Get it from the section in the Stripe dashboard where you added the webhook endpoint
+DJSTRIPE_USE_NATIVE_JSONFIELD = True  # We recommend setting to True for new installations
+DJSTRIPE_FOREIGN_KEY_TO_FIELD = "id"  # Set to `"id"` for all new 2.4+ installations
+```
 
 Add some payment plans via the Stripe.com dashboard.