diff --git a/README.md b/README.md
index f1a5df8..12dc2a4 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,12 @@
 
 This repository contains all the files and documentation for Trinteract, An open-source Arduino-compatible 3DOF Human Interface Device (HID). In other words a joystick that's capable of moving in all 3 Dimensions.  [Visit the docs](https://gocivici.github.io/trinteract/) for more detailed information.
 
+File structure:
++  `Software` contains the arduino code and necesserry drivers 
++  `PCB` contains the KiCAD PCB files and gerber files for manufacturing
++  `docs` contains the source code for the docs build with Sphinx
++  `CAD` contains all fusion360 CAD files and print ready .stl files  
+
 ![](media/attached.jpg)
 
 Before Assembly            |  Assembled