diff --git a/README.md b/README.md
index 24c7e05e..eba64e8b 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,24 @@
-- [Summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/branch/1.1/README.md)
+# Description
-# [tutorial v1.1_000] Creating a structure file
+This tutorial shows to you an example of Rougail use on how to set a proxy in the Mozilla Firefox browser.
-[Read the tutorial "Creating a structure file" in the documentation](https://pedago.gwenaelremond.fr/bribes/rougail/tutorial/preliminary.html#creating-a-structure-file)
+More precisely, this tutorial aims at reproducing this [Mozilla Firefox](https://www.mozilla.org/firefox/new/) settings page:
+
-## Screenshot
-
+And the integration of part of the [Firefox FoxyProxy plugin](https://addons.mozilla.org/firefox/addon/foxyproxy-standard/).
+The idea is to have a namespace specific to FoxyProxy and to find in it part of the settings that we will have made in the main namespace.
-## Clone and install
+This is what the page looks like:
+
+
+
+# Installation
To test this tutorial, you need to download this repository and install Rougail:
-```shell
+```bash
git clone -b 1.1 https://forge.cloud.silique.fr/stove/rougail-tutorials.git
cd rougail-tutorials
python -m venv venv_rougail
@@ -21,59 +26,10 @@ python -m venv venv_rougail
pip install rougail-cli rougail-output-exporter rougail-output-doc rougail-user-data-yaml
```
-Then switch to the tutorial page:
+# Summary
-```shell
-git switch --detach v1.1_000
-```
+Each step is a separerate commit. You can navigate to history to discover different aspect to the Rougail format.
-## Structure
+- Getting started ([doc](https://pedago.gwenaelremond.fr/bribes/rougail/tutorial/preliminary.html))
+ - [[tutorial v1.1_000] Creating a structure file](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_000/README.md) ([doc](https://pedago.gwenaelremond.fr/bribes/rougail/tutorial/preliminary.html#creating-a-structure-file) - [diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_000~1..v1.1_000))
-
-.
- └── firefox
- └── 00-proxy.yml
-
-
-Contents of the firefox/00-proxy.yml file
-
-```yml
-%YAML 1.2
----
-version: 1.1
-...
-
-```
-
-***
-### Let's generate the documentation
-
-```shell
-rougail -m firefox/ -o doc
-```
-[View the documentation file](DOCUMENTATION.md)
-
-
-***
-## User datas
-
-### Example 1
-
-#### config/01/config.yml
-
-
-```yml
----
-```
-
-***
-#### Output
-
-```shell
-rougail -m firefox/ -u yaml -yf config/01/config.yml
-```
-
-***
-
-
-- [[tutorial v1.1_001] Let’s add our first variable](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_001/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_001~1..v1.1_001))
diff --git a/firefox/00-proxy.yml b/firefox/00-proxy.yml
deleted file mode 100644
index 94a82bdc..00000000
--- a/firefox/00-proxy.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-%YAML 1.2
----
-version: 1.1
-...
diff --git a/install.txt b/install.txt
deleted file mode 100644
index 7f2478c9..00000000
--- a/install.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-git clone -b 1.1 https://forge.cloud.silique.fr/stove/rougail-tutorials.git
-cd rougail-tutorials
-python -m venv venv_rougail
-. venv_rougail/bin/activate
-pip install rougail-cli rougail-output-exporter rougail-output-doc rougail-user-data-yaml
diff --git a/tree.html b/tree.html
deleted file mode 100644
index 81f6c219..00000000
--- a/tree.html
+++ /dev/null
@@ -1,5 +0,0 @@
-
-.
- └── firefox
- └── 00-proxy.yml
-
\ No newline at end of file