Fix tab for Keywords

Co-authored-by: per1234 <accounts@perglass.com>

Author: jasonacox

content/learn/08.contributions/03.arduino-creating-library-guide/arduino-creating-library-guide.md

@@ -259,7 +259,7 @@ If you tried the new sketch, you probably noticed that nothing from our library
 
 ```arduino
 Morse	KEYWORD1
-begin KEYWORD2
+begin	KEYWORD2
 dash	KEYWORD2
 dot	KEYWORD2
 ```