diff --git a/.gitignore b/.gitignore
index 83ce8ae..4089582 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,10 +8,11 @@ build/
 # VSCode
 .vscode/
 
-# personnal documentation
-doc/*.txt
-doc/diagrams/*.violet.html
-doc/mockups/*
+# documentation
+doc/
+!doc/*.md
+!doc/diagrams/*.png
+!doc/readme/*
 
 # data files
 data/pieces/*.bin
diff --git a/README.md b/README.md
index a93fb02..18b8482 100644
--- a/README.md
+++ b/README.md
@@ -137,4 +137,4 @@ Inspired by other modern stacker games such as Techmino, jstris, tetr.io, etc.
 This game isn't affiliated with any of them.  
 
 Special thanks to my friend [Simon](https://git.ale-pri.com/Persson-dev) who did most of the outside stuff (github actions, files compression, asset manager, xmake).  
-All the code in src/Common and src/Utils comes from him.  
+All the code in src/Common/, src/Utils/ and xmake/ comes from him.