diff --git a/srcs/part2/ft_strjoin.c b/srcs/part2/ft_strjoin.c
index 20ad9da..f0d610f 100644
--- a/srcs/part2/ft_strjoin.c
+++ b/srcs/part2/ft_strjoin.c
@@ -6,7 +6,7 @@
 /*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/11/25 14:01:26 by hulamy            #+#    #+#             */
-/*   Updated: 2019/12/04 15:30:57 by hulamy           ###   ########.fr       */
+/*   Updated: 2019/12/04 16:55:43 by hulamy           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,6 +14,37 @@
 ** create a new string by concatenating the two strings s1 and s2
 */
 
+/*
+**	#include <libc.h>
+**
+**	size_t		ft_strlen(const char *str)
+**	{
+**		size_t i;
+**
+**		i = 0;
+**		while (str[i])
+**			i++;
+**		return (i);
+**	}
+**
+**	char		*ft_strjoin(char const *s1, char const *s2);
+**
+**	int		main(int ac, char **av)
+**	{
+**		char	*s1;
+**		char	*s2;
+**		char	*str;
+**
+**		if (ac != 3)
+**			return (0);
+**		s1 = strdup(av[1]);
+**		s2 = strdup(av[2]);
+**		str = ft_strjoin(s1, s2);
+**		printf("%s\n", str);
+**		return (0);
+**	}
+*/
+
 #include "libft.h"
 
 static char	*ft_doit(char const *s1, char const *s2, char *dest)
@@ -24,18 +55,10 @@ static char	*ft_doit(char const *s1, char const *s2, char *dest)
 	j = 0;
 	i = 0;
 	while (s1[j] != '\0')
-	{
-		dest[i] = s1[j];
-		i++;
-		j++;
-	}
+		dest[i++] = s1[j++];
 	j = 0;
 	while (s2[j] != '\0')
-	{
-		dest[i] = s2[j];
-		i++;
-		j++;
-	}
+		dest[i++] = s2[j++];
 	dest[i] = '\0';
 	return (dest);
 }