diff --git a/keywords.txt b/keywords.txt
index 1db715f..46657e2 100755
--- a/keywords.txt
+++ b/keywords.txt
@@ -50,7 +50,7 @@ serialWriteTimeOut	KEYWORD2
 #######################################
 # Constants (LITERAL1)
 #######################################
-OPENBCI_MODE_DEVICE		LITERAL1
+OPENBCI_MODE_DEVICE	LITERAL1
 OPENBCI_MODE_HOST	LITERAL1
 OPENBCI_MODE_PASS_THRU	LITERAL1
 ORPM_DEVICE_SERIAL_OVERFLOW	LITERAL1