1 files changed, 1 insertions, 1 deletions
diff --git a/mjit.h b/mjit.h
index e91927aeae..5781d04982 100644
--- a/mjit.h
+++ b/mjit.h
@@ -1,6 +1,6 @@
 /**********************************************************************
 
-  mjit.h - Interface to MRI method JIT compiler
+  mjit.h - Interface to MRI method JIT compiler for Ruby's main thread
 
   Copyright (C) 2017 Vladimir Makarov <vmakarov@redhat.com>.