Update README.md

gsouf · gsouf · commit e5b4d17d5049 · 2016-04-04T13:05:25.000+02:00
diff --git a/README.md b/README.md
@@ -13,4 +13,8 @@ The documentations are in ``docs/`` directory. Preview changes with:
 ```sh
 
 mkdocs serve
-```
+```
+
+## !! WARNING !!
+
+Never edit the ``gh-pages`` branch because it is auto generated, and overwritten at every publication.
