diff --git a/keywords.txt b/keywords.txt
index 5f85cec..a85f92a 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -12,26 +12,26 @@ PCF857X	KEYWORD1
 # Methods and Functions (KEYWORD2)
 #######################################
 
-begin KEYWORD2
-pinMode KEYWORD2
-digitalWrite KEYWORD2
-digitalRead KEYWORD2
-write KEYWORD2
-read KEYWORD2
-clear KEYWORD2
-set KEYWORD2
-toggle KEYWORD2
-blink KEYWORD2
-attachInterrupt KEYWORD2
-detachInterrupt KEYWORD2
-disableInterrupt KEYWORD2
-enableInterrupt KEYWORD2
-checkForInterrupt KEYWORD2
-pullUp KEYWORD2
-pullDown KEYWORD2
+begin	KEYWORD2
+pinMode	KEYWORD2
+digitalWrite	KEYWORD2
+digitalRead	KEYWORD2
+write	KEYWORD2
+read	KEYWORD2
+clear	KEYWORD2
+set	KEYWORD2
+toggle	KEYWORD2
+blink	KEYWORD2
+attachInterrupt	KEYWORD2
+detachInterrupt	KEYWORD2
+disableInterrupt	KEYWORD2
+enableInterrupt	KEYWORD2
+checkForInterrupt	KEYWORD2
+pullUp	KEYWORD2
+pullDown	KEYWORD2
 
 #######################################
 # Constants (LITERAL1)
 #######################################
 
-INPUT_PULLUP LITERAL1
+INPUT_PULLUP	LITERAL1