diff --git a/term.c b/term.c
index 8c3cff7..483354f 100644
--- a/term.c
+++ b/term.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+// compile with gcc term.c -lutil
 int main(int argc, char **argv) {
     if (argc < 2) {
         printf("usage: %s ROM\n", argv[0]);