diff --git a/sensor/config/config.template.json b/sensor/config/config.template.json
index 765dd042..0a236010 100644
--- a/sensor/config/config.template.json
+++ b/sensor/config/config.template.json
@@ -11,11 +11,11 @@
         "gas_cylinders": [
             {
                 "valve_number": 2,
-                "bottle_id": "999"
+                "bottle_id": "..."
             },
             {
                 "valve_number": 3,
-                "bottle_id": "998"
+                "bottle_id": "..."
             }
         ],
         "sampling_per_cylinder_seconds": 600,
@@ -23,6 +23,15 @@
         "system_flushing_seconds": 300
 
     },
+    "documentation": {
+        "site_name": "...",
+        "site_short_name": "...",
+        "site_observation_since": "...",
+        "inlet_elevation": "...",
+        "last_maintainence_date": "...",
+        "maintainence_comment": "...",
+        "gmp343_sensor_id": "..."
+    },
     "hardware": {
         "pump_pwm_duty_cycle": 0.13,
         "gmp343_optics_heating": true,