Add some more documentation on the README, about oui.txt.

1 files changed, 9 insertions, 2 deletions

diff --git a/README.md b/README.md
index 21173c0..b967e2c 100644
--- a/README.md
+++ b/README.md
@@ -2,15 +2,18 @@ Combined hardware identification databases
 ==========================================
 
 This repository contain a specially re-packaged copy of the pci.ids
-and usb.ids files.
+and usb.ids files, as well as a copy of IEEE's oui.txt file
 
-These two databases are maintained by Martin Mares and Michal Vaner
+The two IDs databases are maintained by Martin Mares and Michal Vaner
 (pci.ids) and Stephen J. Gowdy (usb.ids) through the help of
 volunteers who can submit them to the two submission web applications:
 
  * [pci.ids](http://pci-ids.ucw.cz/)
  * [usb.ids](https://usb-ids.gowdy.us/index.html)
 
+The OUI database is an officially maintained index by IEEE, and can be
+accessed at https://standards.ieee.org/develop/regauth/oui/public.html .
+
 The reason to repackage the files together is to make it simpler for
 applications to require them, without having to bring in either
 pciutils or usbutils, that might be unnecessary for most installs.
@@ -53,3 +56,7 @@ you'll find in the archive, in the file named gpl-2.0.txt), or the
 > ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 > (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 > SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The OUI database is not officially licensed by IEEE, but should be
+possible to consider it as freely distributable, as a collection of
+facts.