diff --git a/README.rst b/README.rst
index d3a64b0..c4a41f8 100644
--- a/README.rst
+++ b/README.rst
@@ -186,6 +186,19 @@
           ".*":
           - x509.sign_remote_certificate
 
+
+Salt master backup configuration
+
+.. code-block:: yaml
+
+    salt:
+      master:
+        backup: true
+        initial_data:
+          engine: backupninja
+          source: backup-node-host
+          host: original-salt-master-id
+
 Configure verbosity of state output (used for `salt` command)
 
 .. code-block:: yaml