Update source/_integrations/powersensor.markdown

Co-authored-by: c0ffeeca7 <[email protected]>

Author: bookman-dius

source/_integrations/powersensor.markdown

@@ -44,7 +44,7 @@ Before setting up this integration, ensure:
 This integration provides the following platforms:
 
 - **Sensor**: Power consumption, voltage, current, energy, and other sensor data
-- **Battery**: Battery level for sensors (i.e. not plugs)
+- **Battery**: Battery level for sensors (but not for plugs)
 
 ## Known limitations