diff --git a/system/zmodem/host/nuttx/ascii.h b/system/zmodem/host/nuttx/ascii.h
index 6c11ba8e0..67a6d088c 100644
--- a/system/zmodem/host/nuttx/ascii.h
+++ b/system/zmodem/host/nuttx/ascii.h
@@ -1,4 +1,4 @@
-****************************************************************************
+/****************************************************************************
  * apps/system/zmodem/host/ascii.h
  * ASCII Control Codes
  *