diff --git a/keywords.txt b/keywords.txt
index 2ffc5a94..dcec71c7 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -88,8 +88,8 @@ setDataShaping	KEYWORD2
 setOOK	KEYWORD2
 setDataShapingOOK	KEYWORD2
 setCRC	KEYWORD2
-variablePacketLengthMode  KEYWORD2
-fixedPacketLengthMode KEYWORD2
+variablePacketLengthMode	KEYWORD2
+fixedPacketLengthMode	KEYWORD2
 
 # RF69-specific
 setAESKey	KEYWORD2