diff --git a/src/lex/lexer.l b/src/lex/lexer.l
index d491001..c17fce5 100644
--- a/src/lex/lexer.l
+++ b/src/lex/lexer.l
@@ -6,8 +6,8 @@
     int yylex();
 %}
 
-// disable the following functions
-// to avoid failing code check
+/* disable the following functions */
+/* to avoid failing code check */
 %option nounput
 %option noinput