diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index 9aca6c345ac..285d274b5d6 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -916,7 +916,7 @@ include/
 </p>
 <ul><pre>
 tools/
-|-- Makefile.mkconfig
+|-- Makefile.host
 |-- configure.sh
 |-- incdir.sh
 |-- indent.sh