diff --git a/build.sh b/build.sh
index 0a8101e..0560e70 100755
--- a/build.sh
+++ b/build.sh
@@ -6,3 +6,4 @@ echo _OSVERSION=\"PsychOS 2.0a1-$(git rev-parse --short HEAD)\" > target/version
 cat target/version.lua target/init.lua > target/tinit.lua
 mv target/tinit.lua target/init.lua
 cp -r exec/ service/ lib/ target/
+lua finddesc.lua $(find module/ -type f) $(find lib/ -type f) > apidoc.md
diff --git a/module/vt-task.lua b/module/vt-task.lua
index 83d0a58..5b10020 100644
--- a/module/vt-task.lua
+++ b/module/vt-task.lua
@@ -1,6 +1,6 @@
 do
 --#include "module/vt100.lua"
-function vtemu(gpua,scra)
+function vtemu(gpua,scra) -- creates a process to handle the GPU and screen address combination *gpua*/*scra*. Returns read, write and "close" functions.
  local gpu = component.proxy(gpua)
  gpu.bind(scra)
  local write = vt100emu(gpu)