diff --git a/system/i2c/Makefile b/system/i2c/Makefile
index 845c149f6..00db91bb7 100644
--- a/system/i2c/Makefile
+++ b/system/i2c/Makefile
@@ -1,5 +1,5 @@
 ############################################################################
-# apps/system/i2c
+# apps/system/i2c/Makefile
 #
 #   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <gnutt@nuttx.org>
diff --git a/system/ramtron/ramtron.c b/system/ramtron/ramtron.c
index cd4012787..78773649c 100644
--- a/system/ramtron/ramtron.c
+++ b/system/ramtron/ramtron.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * ramtron/ramtron.c
+ * apps/system/ramtron/ramtron.c
  *
  *   Copyright (C) 2011 Uros Platise. All rights reserved.
  *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
diff --git a/system/readline/readline.c b/system/readline/readline.c
index ec2dc1c0a..f64049ed7 100644
--- a/system/readline/readline.c
+++ b/system/readline/readline.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * lib/stdio/lib_fgets.c
+ * apps/system/readline/readline.c
  *
  *   Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>