diff --git a/userlib/syscall.rs b/userlib/syscall.rs
index 0615261..94c7c44 100644
--- a/userlib/syscall.rs
+++ b/userlib/syscall.rs
@@ -39,7 +39,7 @@ pub struct CondId{
 
 extern "C" {
 
-    ///Stop Nachos, and print out performance stats
+    ///Stop BurritOS, and print out performance stats
     fn Shutdown() -> ();
 
     /// Return the time spent running BurritOS