diff --git a/docs/source/guides/energy.md b/docs/source/guides/energy.md
index d7b5727c..a177cd1a 100644
--- a/docs/source/guides/energy.md
+++ b/docs/source/guides/energy.md
@@ -1,6 +1,10 @@
 
 # Get Energy Consumption and Usage Statistics
 
+:::{note}
+The documentation on this page applies only to KASA-branded devices.
+:::
+
 :::{note}
 In order to use the helper methods to calculate the statistics correctly, your devices need to have correct time set.
 The devices use NTP (123/UDP) and public servers from [NTP Pool Project](https://www.ntppool.org/) to synchronize their time.