diff --git a/docs/devices/TH1300ZB.md b/docs/devices/TH1300ZB.md
index 3ed06046a90c7..edfe6d1a5e545 100644
--- a/docs/devices/TH1300ZB.md
+++ b/docs/devices/TH1300ZB.md
@@ -107,7 +107,7 @@ where `TEMPERATURE` is between -100 to +100.
 
 ### The following status are reported by the thermostat
 
-#### Groud fault circuit indicator status (GFCi)
+#### Ground fault circuit indicator status (GFCi)
 Turns `on` when the thermostat GFCi detects a ground fault. The status is reported
 to the device state as `gfci_status` every hour or when it changes.
 `gfci_status` has one of the following values: `on`, `off`.