diff --git a/keywords.txt b/keywords.txt
index aa731e66..148afae6 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -98,7 +98,7 @@ setAmbientTemperature	KEYWORD2
 # CC1101-specific
 getLQI	KEYWORD2
 setGdo0Action	KEYWORD2
-setGdo1Action KEYWORD2
+setGdo1Action	KEYWORD2
 
 # SX126x-specific
 setDio2Action	KEYWORD2