diff --git a/remote/tcpdserver.c b/remote/tcpdserver.c
index 61e3b46..f6369f3 100644
--- a/remote/tcpdserver.c
+++ b/remote/tcpdserver.c
@@ -1,5 +1,5 @@
 #include "tcpdserver.h"
-#include "../lib.communication.h"
+#include "../lib/communication.h"
 
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -162,7 +162,7 @@ void * listen_thread(void * pdata) {
 		return NULL;
 	}*/
 
-	pthread_t senPid;
+	pthread_t sendPid;
 	int ret = pthread_create( &sendPid, NULL, &send_thread, (void *) pda);
 	if (ret) {
 		perror("pthread_create()");
@@ -178,7 +178,7 @@ void * listen_thread(void * pdata) {
 		}
 	}
 
-	pthread_join(listenPid, NULL);
+	pthread_join(sendPid, NULL);
 
 	return NULL;
 }
diff --git a/remote/tcpdserver.h b/remote/tcpdserver.h
index 025412a..e47c338 100644
--- a/remote/tcpdserver.h
+++ b/remote/tcpdserver.h
@@ -14,12 +14,23 @@ typedef struct {
 
 int initConnection ();
 void endConnection (int sock, int csock);
+
 void printClientAddr (struct sockaddr_in *csin);
+
 void write_message(int sock, const char *buffer);
 int read_message(int sock, char *buffer);
-void * listen_thread(void * p_data);
+
+//2 threads for listen and send data
+void * listen_thread(void * pdata);
+void * send_thread(void * pdata);
+
+//parse the first message from client in service and version
 void parseServiceVersion(char * buf, char ** service, int *version);
+
+//create 2 pathnames such as : pid-index-version-in/out
 void inOutPathCreate(char ** pathname, int version);
+
+//create a fifo file
 int fifo_create (char * path);