diff --git a/wifi/addip.c b/wifi/addip.c
index ca973ead..79e3a860 100644
--- a/wifi/addip.c
+++ b/wifi/addip.c
@@ -1,3 +1,5 @@
+/* A compiler avec gcc -Wall -ansi -static addip.c -o /var/www/cgi-bin/addip.cgi */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>