diff --git a/src/parser/grammar_advanced.h b/src/parser/grammar_advanced.h
index 1b074ad..3829c49 100644
--- a/src/parser/grammar_advanced.h
+++ b/src/parser/grammar_advanced.h
@@ -36,7 +36,6 @@ struct ast *parse_funcdec(struct lexer_context *ctx);
 
 /*
  * @brief parses a for rule
- * @warning NOT IMPLEMENTED
  *
  * @code rule_for = 'for' WORD
  *                  ( [';'] | [ {'\n'} 'in' { WORD } ( ';' | '\n' ) ] )