diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index 707c8001f2..f1ac32c485 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -176,7 +176,8 @@ below and discussed in the following paragraphs:</p>
 	|-- include
 	|   |-- arch.h
 	|   |-- irq.h
-	|   `-- types.h
+	|   |-- types.h
+	|   `-- limits.h
 	`-- src
 	    |-- Makefile
 	    `-- <i>(architecture-specific source files)</i>