diff --git a/source/_integrations/nut.markdown b/source/_integrations/nut.markdown
index c64e3fe2cd5..3f70ffd6c41 100644
--- a/source/_integrations/nut.markdown
+++ b/source/_integrations/nut.markdown
@@ -156,7 +156,7 @@ The following diagnostic sensors may be available:
 - **Battery current (A)**: Battery current
 - **Battery date**: Battery installation or last change date (opaque by mfg)
 - **Battery manuf date**: Battery manufacturing date (opaque by mfg)
-- **Battery runtime (secs)**: Battery runtime
+- **Battery runtime (secs)**: Remaining battery runtime as estimated by the device
 - **Battery temperature (°C)**: Battery temperature
 - **Battery voltage (V)**: Battery voltage
 - **Beeper status**: UPS beeper status, with the available states: `enabled`, `disabled`, and `muted`