diff --git a/README.md b/README.md
index 39af52c..5b74c60 100644
--- a/README.md
+++ b/README.md
@@ -1,29 +1,25 @@
-# README #
+# MINITALK
 
-This README would normally document whatever steps are necessary to get your application up and running.
+### how to use :
 
-### What is this repository for? ###
+first launch server :
+```
+./server
+```
+it will print a line with its own pid, and an empty line below
+if you want to terminate the program hit `ctrl-c`
 
-* Quick summary
-* Version
-* [Learn Markdown](https://bitbucket.org/tutorials/markdowndemo)
+then in another window launch the client, with two arguments :
+```
+./client [SERVER PID] [string]
+```
+[SERVER PID] is the pid number printed by the server
+[string] is whatever you want to write, surrounded by `"` if you want to include spaces : `"a random phrase"`
 
-### How do I get set up? ###
+### ressources
 
-* Summary of set up
-* Configuration
-* Dependencies
-* Database configuration
-* How to run tests
-* Deployment instructions
-
-### Contribution guidelines ###
-
-* Writing tests
-* Code review
-* Other guidelines
-
-### Who do I talk to? ###
-
-* Repo owner or admin
-* Other community or team contact
\ No newline at end of file
+- **use of getpid** : https://www.includehelp.com/c/getpid-and-getppid-functions-in-c-linux.aspx
+- **use of signal** : https://linuxhint.com/signal_handlers_c_programming_language
+- **use of sigaction** : https://stackoverflow.com/a/17572787/9497573
+- **standard signal vs real time signals (with queue option)** : https://www.softprayog.in/programming/posix-real-time-signals-in-linux
+- **test time of functions in program** : https://stackoverflow.com/a/5833240/9497573
diff --git a/builds/client.o b/builds/client.o
index c0a3059..5a8902d 100644
Binary files a/builds/client.o and b/builds/client.o differ
diff --git a/builds/server.o b/builds/server.o
index 15218d6..7664bf4 100644
Binary files a/builds/server.o and b/builds/server.o differ
diff --git a/client b/client
index 09cf9db..8897c41 100755
Binary files a/client and b/client differ
diff --git a/server b/server
index 3bafd18..47f8cc3 100755
Binary files a/server and b/server differ
diff --git a/srcs/client.c b/srcs/client.c
index d80caf8..85a543c 100644
--- a/srcs/client.c
+++ b/srcs/client.c
@@ -27,7 +27,6 @@ void	send_message(int sig_num)
 	}
 	if (client.done == 0)
 		send_char(client.text[client.count_char], client.mask, client.srv_pid);
-	ft_putnbrbase(client.text[client.count_char], "01"); ft_printf(" - %i - [%i] %s\n", (client.text[client.count_char] & client.mask) != 0, client.count_char, client.text + client.count_char);
 }
 
 void	init_client(int pid, char *msg)
@@ -46,6 +45,7 @@ int	main(int ac, char **av)
 		return (usage());
 	init_client(ft_atoi(av[1]), av[2]);
 	kill((int)getpid(), SIGUSR1);
-	while (client.done == 0);
+	while (client.done == 0)
+		;
 	return (0);
 }
diff --git a/srcs/server.c b/srcs/server.c
index cfc1d73..ce9a575 100644
--- a/srcs/server.c
+++ b/srcs/server.c
@@ -5,8 +5,6 @@ void	send_char(void)
 	if (message.count_bits == 7)
 	{
 		ft_putchar(message.character);
-		if (message.character == '\0')
-			exit(EXIT_SUCCESS);
 		message.count_bits = 0;
 		message.character = 0;
 	}
@@ -38,10 +36,10 @@ void	init_message(void)
 	message.text = ft_strdup("");
 }
 
-int	main()
+int	main(void)
 {
-	struct sigaction act_1;
-	struct sigaction act_2;
+	struct sigaction	act_1;
+	struct sigaction	act_2;
 
 	act_1.sa_flags = SA_SIGINFO;
 	act_1.sa_sigaction = sig_handler_1;
@@ -51,7 +49,8 @@ int	main()
 	sigaction(SIGUSR2, &act_2, NULL);
 	ft_putnbrendl((int)getpid());
 	init_message();
-	while (1);
+	while (1)
+		;
 	return (0);
 }
 
@@ -105,7 +104,7 @@ int	main()
 ** # # # # # # # # # # # # # # # # # # # #
 **  CODE TO CALCULATE TIME IN MICROSECONDS
 ** 
-**  found here https://stackoverflow.com/questions/5833094/get-a-timestamp-in-c-in-microseconds
+**  found here : https://stackoverflow.com/a/5833240/9497573
 **
 **  #include <stdint.h>
 **  #include <sys/time.h>