diff --git a/3.5.-pri-request=bikes_available.md b/3.5.-pri-request=bikes_available.md
index 26b7163..a888da7 100644
--- a/3.5.-pri-request=bikes_available.md
+++ b/3.5.-pri-request=bikes_available.md
@@ -14,21 +14,19 @@
 | -------------- | -------- | -------- | -------------------------------------- |
 | state          | +        | text  | bike available state                   |
 | lock_state     | +        | text  | bike smartlock locking state                   |
-| station_state  | o        | text  | station smartlock locking state      |
-| service_state  | o        | text  | service state for maintanance          |
-| bike_charge    | o        | text  | bike akku capacity  | 
 | description    | o        | text | short bike description                 |
 | bike           | +        | text  | bike prefix+number                            |
 | gps            | +        | array     | GPS: latitude, longitude               |
 | station        | +        | text  | station prefix+number                         |
 | bike_group     | +        | array  | bike group                           |
-| system         | +        | text>=1  | bike lock system        |
+| system         | +        | text  | bike lock system        |
 | uri_operator   | +        | text  | URI of Operator-Server                   |
 | lockit_ID      | +        | text  | bluetooth ID      |
 | lockit_GUID    | +        | text  | bluetooth GUID      |
 | authed         | +        | text  | if 1 then authenticated request on operator      |
 | rental_description  | + | object  | with tarif_elements and rental_info |
 | bike_type      | + | object  | describes the bike with some attributes |
+| smartlock_type      | + | object  | (under development) describes the smartlock with some attributes |
 
 **rental_description** JSON Object
 | key          | Required | Format           | Comment                        |
@@ -46,6 +44,12 @@
 | engine   | o  | object | contains engine attributes like "manufacturer" |
 | battery | o | object | contains bike battery attributes. "hidden=0" means not in App visible. "backend_accessible=0" means no bike charge API available |
 
+**smartlock_type** JSON Object 
+| key          | Required | Format           | Comment                        |
+| ------------------ | -------- | ---------------- | -------------------------- |
+| system       | o          | text                 | ex. "Ilockit"  |
+| battery | o | object | contains smartlock battery attributes. |
+
 
 Example
 **REST request=bikes_available** for authorized users