diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
index 3d35dc4..6ab190f 100644
--- a/doc/DESCRIPTION.md
+++ b/doc/DESCRIPTION.md
@@ -9,3 +9,17 @@ In addition to Nextcloud core features, the following are made available with th
  * Allow multiple instances of this application
  * Optionally access the user home folder from Nextcloud files (set at the installation, the sharing is enabled by default)
  * Serve `/.well-known` paths for CalDAV and CardDAV on the domain only if it's not already served - i.e. by Baïkal
+
+### Oldstable branch
+
+This branch is followinging old stable release because nextcloud first release are often not totally stable.
+
+Please send your pull request to the [oldstable branch](https://github.com/YunoHost-Apps/nextcloud_ynh/tree/oldstable).
+
+To try the oldstable branch, please proceed like that.
+
+```
+sudo yunohost app install https://github.com/YunoHost-Apps/nextcloud_ynh/tree/oldstable --debug
+or
+sudo yunohost app upgrade nextcloud -u https://github.com/YunoHost-Apps/nextcloud_ynh/tree/oldstable --debug
+```