diff --git a/tjnetwork.py b/tjnetwork.py
index bbee25a..f03f2b8 100644
--- a/tjnetwork.py
+++ b/tjnetwork.py
@@ -808,8 +808,10 @@ def get_scada_data(name: str, device_id: str) -> dict[str, Any]:
 def set_scada_data(name: str, cs: ChangeSet) -> ChangeSet:
     return api.set_scada_data(name, cs)
 
+# example: add_scada_data(p, ChangeSet({'device_id': 'sm_device', 'time': '2023-02-10 00:02:22', 'value': 100.0}))
 def add_scada_data(name: str, cs: ChangeSet) -> ChangeSet:
     return api.add_scada_data(name, cs)
 
+# example: delete_scada_data(p, ChangeSet({'device_id': 'sm_device', 'time': '2023-02-12 00:02:22'}))
 def delete_scada_data(name: str, cs: ChangeSet) -> ChangeSet:
     return api.delete_scada_data(name, cs)