diff --git a/README.md b/README.md
index cfb6fc4891c..99ba9701a20 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ Branch Info
 
    * Releases are named after Van Halen songs.
    * The devel branch corresponds to the release actively under development.
+   * Note that modules are contained in two different git submodule projects, under lib/ansible/modules/{core,extras}
    * Various release-X.Y branches exist for previous releases.
    * We'd love to have your contributions, read "CONTRIBUTING.md" for process notes.