diff --git a/sdk_container/src/third_party/portage-stable/README.md b/sdk_container/src/third_party/portage-stable/README.md
index 5bfe9533ef..161d29e7af 100644
--- a/sdk_container/src/third_party/portage-stable/README.md
+++ b/sdk_container/src/third_party/portage-stable/README.md
@@ -1,5 +1,5 @@
 This overlay contains curated unmodified Gentoo packages that are part
-of the CoreOS build and are exact copies of upstream Gentoo packages.
+of the Container Linux build and are exact copies of upstream Gentoo packages.
 
 Use `src/scripts/update_ebuilds` to fetch the latest copy from Gentoo:
 
@@ -7,11 +7,10 @@ Use `src/scripts/update_ebuilds` to fetch the latest copy from Gentoo:
     repo start update-foo ../third-party/portage-stable
     ./update_ebuilds --commit app-fun/foo
 
-Note: `update_ebuilds` can fetch from either Gentoo's anonymous CVS or
-Rsync services, both of which will ban users making excessive requests.
-If you have a lot of related packages to update or just aren't quite
-sure what you are getting into please pull down a local copy to work
-from:
+Note: `update_ebuilds` can fetch from either Gentoo's Github mirror or
+Rsync services.
+If you'd prefer to use a local copy of the portage tree, you can point
+`update_ebuilds` at a local filepath:
 
     rsync -rtlv rsync://rsync.gentoo.org/gentoo-portage ~/gentoo-portage
     ./update_ebuilds --commit --portage ~/gentoo-portage app-fun/foo