diff --git a/beautiful-racket-demo/basic-demo-2/lexer.rkt b/beautiful-racket-demo/basic-demo-2/lexer.rkt
index df078a4..e70990a 100644
--- a/beautiful-racket-demo/basic-demo-2/lexer.rkt
+++ b/beautiful-racket-demo/basic-demo-2/lexer.rkt
@@ -3,7 +3,7 @@
 
 (define-lex-abbrev digits (:+ (char-set "0123456789")))
 
-(define-lex-abbrev reserved-terms (:or "print" "goto" "end" "+" ":" ";" "let" "=" "input" "-" "*" "/" "^" "mod" "(" ")" "def" "if" "then" "else" "<" ">" "<>" "and" "or" "not" "gosub" "return" "for" "to" "step" "next"))
+(define-lex-abbrev reserved-terms (:or "print" "goto" "end" "+" ":" ";" "let" "=" "input" "-" "*" "/" "^" "mod" "(" ")" "if" "then" "else" "<" ">" "<>" "and" "or" "not" "gosub" "return" "for" "to" "step" "next"))
 
 (define basic-lexer
   (lexer-srcloc
diff --git a/beautiful-racket-demo/basic-demo-3/lexer.rkt b/beautiful-racket-demo/basic-demo-3/lexer.rkt
index 034f056..fdf7cbe 100644
--- a/beautiful-racket-demo/basic-demo-3/lexer.rkt
+++ b/beautiful-racket-demo/basic-demo-3/lexer.rkt
@@ -3,7 +3,7 @@
 
 (define-lex-abbrev digits (:+ (char-set "0123456789")))
 
-(define-lex-abbrev reserved-terms (:or "print" "goto" "end" "+" ":" ";" "let" "=" "input" "-" "*" "/" "^" "mod" "(" ")" "def" "if" "then" "else" "<" ">" "<>" "and" "or" "not" "gosub" "return" "for" "to" "step" "next" "def" "," "import" "export"))
+(define-lex-abbrev reserved-terms (:or "print" "goto" "end" "+" ":" ";" "let" "=" "input" "-" "*" "/" "^" "mod" "(" ")" "if" "then" "else" "<" ">" "<>" "and" "or" "not" "gosub" "return" "for" "to" "step" "next" "def" "," "import" "export"))
 
 (define-lex-abbrev racket-id-kapu
   (:or whitespace (char-set "()[]{}\",'`;#|\\")))