diff --git a/src/runtime/lfstack.go b/src/runtime/lfstack.go
index db54ecb..8e33ce1 100644
--- a/src/runtime/lfstack.go
+++ b/src/runtime/lfstack.go
@@ -6,7 +6,7 @@
 // Initialize head to 0, compare with 0 to test for emptiness.
 // The stack does not keep pointers to nodes,
 // so they can be garbage collected if there are no other pointers to nodes.
-// The following code runs only on g0 stack.
+// The following code runs only in non-preemptible contexts.
 
 package runtime