diff --git a/README.md b/README.md
index ba4314d..f9bf31a 100644
--- a/README.md
+++ b/README.md
@@ -11,12 +11,15 @@ Given it's at ~1000 LOC the goal is still to keep it as small as possible, as pa
 - Linux only
 - Edge cases are intended to be unhandled wherever they are
 - focus on "terse" modern cpp code and practices, even if they are not the most efficient
+- Single file ( I don't think organisational splitting would be good here )
 
 what we DO have is
 
 - no external dependencies ( not even GNU readline ), except POSIX and C++ standard library
 - support for pipelines, redirection, and background processes
 
+> [dev notes](https://blog.ruiny.de/C++/Making-a-shell)
+
 ## Running
 
 `make` wrapper over `cmake`