diff --git a/njvm.c b/njvm.c
index 01ecbf5..ddf73ad 100644
--- a/njvm.c
+++ b/njvm.c
@@ -21,7 +21,7 @@ void version(void) {
 }
 
 void help(void) {
-    printf("usage: ./njvm [option] [option] ...\n\t--version\tshow version and exit\n\t--help\t\tshow this help and exit\n");
+    printf("Usage: ./njvm [options] <code file>\n\t--debug\tstart virtual machine in debug mode\n\t--version\tshow version and exit\n\t--help\t\tshow this help and exit\n");
 }
 
 void execute(struct program program) {
@@ -131,7 +131,7 @@ int main(int argc, char *argv[]) {
             printProgram(program);
             execute(program);
         } else {
-            printf("Error: no program selected\n");
+            printf("Error: no code file specified\n");
             return 1;
         }
 //    Stopped