diff --git a/README.md b/README.md
index 8748f26..98fec88 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,9 @@ export PATH="/opt/hisi-linux/x86-arm/arm-hisiv400-linux/bin:$PATH"
 cd snes9x/unix
 make
 ```
+
+# Files
+
+`snes9x/` - contains snes9x code
+`snes9x/unix` - contains a fork of the unix snes9x code. this is where main.cpp is located and contains everything pertaining to the port.
+`snes9x/unix/libs` - MPP static libraries used to setup HDMI output.