diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..7864a4b
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,17 @@
+# Changelog
+
+## 1.0rc1
+
+This is a pre-release.
+
+### Main features
+
+* Complete text & tables extracted from "The Black Hack" PDF v1.2 (2016-04-03),
+* Included OGL License,
+* Python script to build the full website:
+  * automatic homepage based on available directories and meta files,
+  * HTML pages are styled to (roughly) fit the PDF style,
+* Documentation to help eventual contributors.
+* Travis build (for master & pull-requests).
+
+This project website is browsable at [the-black-hack.jehaisleprintemps.net](http://the-black-hack.jehaisleprintemps.net/).
diff --git a/build.py b/build.py
index 39727de..506d42e 100644
--- a/build.py
+++ b/build.py
@@ -1,3 +1,8 @@
+"""
+The Black Hack OGL content Python builder.
+
+This script is Public Domain.
+"""
 import shutil
 import os
 from string import Template