Minor clarification in USPS component (home-assistant#3316)

Carlo Costanzo · dale3h · commit 3c6ff37c0382 · 2017-09-05T15:49:44.000-05:00
diff --git a/source/_components/usps.markdown b/source/_components/usps.markdown
@@ -14,7 +14,7 @@ ha_iot_class: "Cloud Polling"
 ---
 
 The `usps` platform allows one to track deliveries and inbound mail from the [US Postal Service (USPS)](https://www.usps.com/).
-In addition to having a USPS account, you will need to complete the "Opt-In" process by clicking "Get Started Now" on [this page](https://my.usps.com/mobileWeb/pages/intro/start.action). You must also "Opt-In" to [Informed Delivery](https://informeddelivery.usps.com/box/pages/intro/start.action) to see inbound mail.
+In addition to having a USPS account, you will need to complete the "Opt-In" process for packages by clicking "Get Started Now" on [this page](https://my.usps.com/mobileWeb/pages/intro/start.action). You must also "Opt-In" to [Informed Delivery](https://informeddelivery.usps.com/box/pages/intro/start.action) to see inbound mail.
 
 To enable this component, add the following lines to your `configuration.yaml`:
 
