diff --git a/src/parser/pipeline/pipeline_parse.c b/src/parser/pipeline/pipeline_parse.c
index 404a41f..95470f1 100644
--- a/src/parser/pipeline/pipeline_parse.c
+++ b/src/parser/pipeline/pipeline_parse.c
@@ -6,7 +6,7 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/24 14:36:43 by khais             #+#    #+#             */
-/*   Updated: 2025/02/24 15:21:37 by khais            ###   ########.fr       */
+/*   Updated: 2025/02/24 15:53:04 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -92,6 +92,9 @@ static void	pipeline_delimit(t_pipeline_builder *builder)
 **   additional memory freeing is required.
 **   in case of error in pipeline_delimit, it will call destroy, which will set
 **   builder->pipeline to NULL
+**
+** Note: if there is a | token at the end of the input stream, the results are
+** undefined.
 */
 t_pipeline	*pipeline_parse_wordlist(t_pipeline_builder *builder)
 {