diff --git a/README.md b/README.md
index 1e7f43c..49d42a1 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,11 @@ Can the app be used by multiple users? **Yes**
 **This is not considered as stable yet, please do it with care and only for testing!**
 
 This package handle the migration from SPIP2 to SPIP. For that, your
-SPIP2 application must be **up-to-date** in YunoHost.
+SPIP2 application must be **up-to-date** in YunoHost. To ensure that, execute:
+
+```bash
+sudo yunohost app upgrade -u https://github.com/YunoHost-Apps/spip2_ynh spip2 --debug
+```
 
 You will then have to upgrade your SPIP2 application with this repository.
 This can only be done from the command-line interface - e.g. through SSH. Once you're connected, you simply have to execute the following: