diff --git a/AUTHORS.md b/AUTHORS.md
index 6b21f572e..aa9e91119 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -1,12 +1,12 @@
 ## Primary Authors
 
- * ZeroTier protocol design and core network virtualization engine, ZeroTier One service, React web UI, packaging for most platforms, kitchen sink...<br>
+ * ZeroTier Core and ZeroTier One virtual networking service<br>
    Adam Ierymenko / adam.ierymenko@zerotier.com
 
  * Java JNI Interface to enable Android application development, and Android app itself (code for that is elsewhere)<br>
    Grant Limberg / glimberg@gmail.com
 
- * Network Containers for Linux, iOS, Android<br>
+ * ZeroTier SDK (formerly known as Network Containers)<br>
    Joseph Henry / joseph.henry@zerotier.com
 
 ## Third Party Contributors
@@ -25,6 +25,8 @@
 
 ## Third-Party Code
 
+These are included in ext/ for platforms that do not have them available in common repositories. Otherwise they may be linked and the package may ship with them as dependencies.
+
  * LZ4 compression algorithm by Yann Collet
 
    * Files: ext/lz4/*
@@ -48,14 +50,15 @@
    * Files: ext/tap-mac/tuntap/*
    * Home page: http://tuntaposx.sourceforge.net/
    * License grant: BSD attribution no-endorsement
+   * ZeroTier Modifications: change interface name to zt#, increase max MTU, increase max devices
 
- * tap-windows and tap-windows6 by the OpenVPN project
+ * tap-windows6 by the OpenVPN project
 
    * Files: windows/TapDriver6/*
    * Home page:
-       https://github.com/OpenVPN/tap-windows/
        https://github.com/OpenVPN/tap-windows6/
    * License grant: GNU GPL v2
+   * ZeroTier Modifications: change name of driver to ZeroTier, add ioctl() to get L2 multicast memberships (source is in ext/ and modifications inherit GPL)
 
  * Salsa20 stream cipher, Curve25519 elliptic curve cipher, Ed25519
    digital signature algorithm, and Poly1305 MAC algorithm, all by
@@ -68,7 +71,7 @@
    * Home page: http://cr.yp.to/
    * License grant: public domain
 
- * MiniUPNPC by Thomas Bernard
+ * MiniUPNPC and libnatpmp by Thomas Bernard
 
    * Files:
        ext/libnatpmp/*