diff --git a/doc/advertising-api.txt b/doc/advertising-api.txt
index 54ab106..4ee37bb 100644
--- a/doc/advertising-api.txt
+++ b/doc/advertising-api.txt
@@ -61,10 +61,10 @@ Properties	string Type
 			Service Data elements to include. The keys are the
 			UUID to associate with the data.
 
-		bool IncludeTXPower
+		bool IncludeTxPower
 
-			Includes the TX Power in the advertising packet.
-			If missing, the TX Power is not included.
+			Includes the Tx Power in the advertising packet.
+			If missing, the Tx Power is not included.
 
 
 LE Advertising Manager hierarchy