production-users: Polish

Documentation/production-users.md

@@ -1,7 +1,7 @@
 # Production users
 
-This document tracks people and use cases for flannel in production. [Join the community](https://github.com/coreos/flannel/), and help us keep the list up-to-date.
+This document tracks people and use cases for flannel in production. [Join the community](https://github.com/coreos/flannel/) and help us keep the list current.
 
 ## [Coreos.com](https://coreos.com/)
 
-Relies on Tectonic (which includes flannel) to host the CoreOS marketing site.
+Relies on Tectonic (which includes flannel) to host CoreOS web properties.