diff --git a/docu/login_server.api.md b/docu/login_server.api.md
index fb9409cf0..8d3e1a812 100644
--- a/docu/login_server.api.md
+++ b/docu/login_server.api.md
@@ -231,6 +231,7 @@ with:
 		"User.disabled": 0,
 		"User.language": "de",
 		"User.password": "1234"
+		"User.password_old": "4321"
   	}
 }
 ```
@@ -240,6 +241,7 @@ Notes:
 - User will be disabled if he wants his account deleted, but has transactions. Until transactions are saved in real blockchain, we need this data because the public key is in db only saved in state_users so if we delete this entry, validating all transactions is no longer possible.
 - Disabled Users can neither login nor receive transactions. 
 - It is not required to provide all fields of `update`, it can be a subset depending on what you intend to change.
+- `User.password`: to change user password, needed current passwort in `User.password_old` 
 
 ### Response
 In case of success: