diff --git a/tsock_v3.c b/tsock_v3.c
index fe7cb04..94b1268 100644
--- a/tsock_v3.c
+++ b/tsock_v3.c
@@ -66,10 +66,10 @@ int main (int argc, char **argv)
         // Packets are numerotated with 5 figures, which means the number of 
         // packets send can't be bigger than (or equal) 10 ** 6
         if (nb_message >= 100000) {
-          printf("Too many packets");
+          printf("Too many packets. (Max 99999)\n");
           exit(1);
         } else if (nb_message <= 0) {
-          printf("Lets try to send all at least one message (:");
+          printf("Lets try to send all at least one message (:\n");
           exit(1);
         }
         break;
@@ -83,11 +83,11 @@ int main (int argc, char **argv)
         // A TCP packet is roughly 1500 bytes. We allow for some overhead.
         // We provide an MTU of 1400 bytes.
         if(lg >= 1400) {
-          printf("Messages too long (max 1400)");
+          printf("Messages too long (max 1400)\n");
           exit(1);
         } else if (lg < 5) {
           // The message size includes the message number, whos size is 5.
-          printf("Messages too long (min 5)");
+          printf("Messages too short (min 5)\n");
           exit(1);
         }
 
@@ -236,7 +236,7 @@ int main (int argc, char **argv)
       // Demande de connexion
       int succ;
       if ((succ=connect(sock,(struct sockaddr*) &adr_dest,longueur_adr_dest))!=0){
-        printf("Echec connect");
+        printf("Echec connect\n");
         exit(1);
       }
 
@@ -361,7 +361,7 @@ void print_usage() {
   printf("usage: tsock_v3 [-psu] [-n nb_messages] [-l mess_length] [host] <port>\n");
   printf("parameters: host         With -s, address of the host to connect to. Required with -s.\n");
   printf("            port         Port to connect or bind to. Required.\n");
-  printf("options: -l mess_length  Size of the messages to send. Min 5. Max 1400. Default 30. Ignored with -p.\n");
+  printf("options: -l mess_length  Size of the messages to send. Min 5. Max 1400. Default 30.\n");
   printf("         -n nb_messages  Number of messages to send. Min 1. Default 10. Ignored with -p.\n");
   printf("         -p              Runs a TCP/UDP sink. Incompatible with -s.\n");
   printf("         -s              Runs a TCP/UDP faucet. Incompatible with -p.\n");