diff --git a/app/README.md b/app/README.md
index e2bd155..6947bc2 100644
--- a/app/README.md
+++ b/app/README.md
@@ -1 +1,19 @@
-# app
+# app actes-princiers
+
+- `cmd/` : functions used in the process, such as :
+  - `cmd/db.py` : db initialization
+  - `cmd/split_div.py` : takes the main xml file (`bourbon-latex/charles-actes-latex.xml`) and creates one xml file per act ;
+
+- `data_actes/` : list of data for the db tables
+
+- `modeles/` : 
+  - `modeles/data.py` contains all db tables modeles
+  - `modeles/bdd_actes_princiers_X.png` : db conceptual data model
+  
+- `static/` : static files, including :
+  - `static/css` : all css, including, bootstrap, footnote, and custom css ;
+  - `static/csv` : csv (actors for the data base) ;
+  - `static/img` : img in header, home, footer... ;
+  - `static/js` : js files for boostrap + footnote ;
+  - `static/xml` : (by houses)
+  - `static/xsl` : xsl stylesheet