updated managed-stats endpoint entry

Author: hzoppetti

src/content/changelog/2019-10-07-api.md

@@ -36,7 +36,7 @@ Some heuristics for which heading to put API reference updates under:
 * A `linode_reboot` Event action can now generate a `secondary_entity` object. A `secondary_entity` object displays information about an additional entity that is related to the Event.
     * Use the Accounts collection to List Events [GET /account/events](/api/v4/account-events) or to View an Event [GET /account/events/{eventId}](/api/v4/account-events-event-id).
 
-* The List Managed Stats endpoint [GET managed/stats](/api/v4/managed-stats) returns a list of Managed Stats on your account in the form of y and x graph data points. These stats reflect the last 24 hours of combined usage for `cpu`, `disk`, `swap`, `network in`, and `network out`.
+* The List Managed Stats endpoint [GET managed/stats](/api/v4/managed-stats) returns a list of Managed Stats on your Account in the form of x and y data points. You can use these data points to plot your own graph visualizations. These stats reflect the last 24 hours of combined usage across all managed Linodes on your account giving you a high-level snapshot of data for `cpu`, `disk`, `swap`, `network in`, and `network out`.
 
 ### Changed