diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..72a875a
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,32 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+Security
+- Check url encoding: The filename fetched on disk may differ from that was asked by URL.
+- Perform sanity checks against unauthorized access.
+- Check unicode capability, UTF16 input, etc…
+- Manage different type of carriage return: CR CR/LF LF
+
+Development
+- Command line API for script, testing, CI…
+
+User interface
+- Page menu on upper and lower sides: [parent dir] [root dir] [raw text]
+- Images
+- Text localisation
+
+## [1.0.0] - 2021-03-10
+- Improves presentation and installation page.
+- Adds stylesheets and download of pages source code.
+- Allows to change stylesheet in the URL.
+- Tested successfully on a shared host.
+
+## [0.2.0] - 2021-03-06 
+Beta version
+
+## [0.1.0] - 2021-03-01
+Alpha version
diff --git a/README.md b/README.md
index 4a2a6b0..05701c0 100644
--- a/README.md
+++ b/README.md
@@ -1,25 +1,19 @@
 # HtmGem
 
-This program aims to provide access to Gemini pages through a web server.
+HtmGem is Php program whose goal is to make Gemini files reachable through HTTP. It can be used on a shared host.
 
-It’s in alpha: advanced features available soon.
+You can see a demo on the main page of HtmGem:
+
+=> https://gmi.sbgodin.fr/htmgem
 
 ## Usage
 
-Place "htmgem.php" on the root of your webserver.
+* Copy the directory `htmgem` at the root of the website.
+* Access to the directory and follow the instructions.
 
-Your "page.gmi" is reachable using [http://thesite/htmgem.php?directory/page.gmi] with HTML markup:
+## Requirements
 
-## URL Rewriting
-
-With Nginx, you can use:
-
-```
-rewrite ^(.+\.gmi)$ /htmgem.php?url=$1 last;
-```
-
-## Install
-
-php-mbstring is required
-
-So the page is available at [http://thesite/htmgem.php/directory/page.gmi].
+* Php v7.3
+* `Php-mbstring` module to deal with unicode characters
+* A web server (well testing with Apache and Nginx)
+* `mod-rewrite` to intercept the Gemini files
diff --git a/TODO b/TODO
deleted file mode 100644
index 500b503..0000000
--- a/TODO
+++ /dev/null
@@ -1,13 +0,0 @@
-Security
-* manage url encoding: The filename fetched on disk may differ from that was asked by URL.
-* check /etc/passwd not accessible: Perform sanity checks against unauthorized access.
-* Check unicode capability, UTF16 input, etc…
-* Manage different type of carriage return: CR CR/LF LF
-
-Development
-* Command line API for script and testing.
-
-User interface
-* Page menu on upper and lower sides: [parent dir] [root dir] [raw text]
-* Images
-* Text localisation