diff --git a/README.md b/README.md
index c4cee08..cdb5aac 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ Invoice Ninja is the the leading self-hosted invoicing platform to create & emai
 
 * There is no official LDAP support
 * The first user gets created after installing Invoice Ninja. The email-address is the one of your administrator user of the app. The password is the administration password you provided while installing.
+* The  `ÀPI_SECRET` can be found in the settings.yaml (normally `/etc/yunohost/apps/invoiceninja5/settings.yml`). Run the following as root: `grep "api_secret" /etc/yunohost/apps/invoiceninja5/settings.yml | cut -d ":" -f 2`
 * Other users can be created from inside the application
 
 ## Documentation and resources