diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index 642cb1a3c2..bb457ffd31 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -1910,13 +1910,11 @@ The system can be re-made subsequently by just typing <code>make</code>.
 
 <h3><a name="upassert">4.1.13 <code>up_assert()</code></a></h3>
 <p><b>Prototype</b>:<br>
-  <code>void up_assert(FAR const uint8_t *filename, int linenum);</code></br>
-  <code>void up_assert_code(FAR const uint8_t *filename, int linenum, int error_code);</code></br>
+  <code>void up_assert(FAR const uint8_t *filename, int linenum);</code>
 </p>
 
 <p><b>Description</b>.
-  Assertions may be handled in an architecture-specific
-  way.
+  Assertions may be handled in an architecture-specific way.
 </p>
 
 <h3><a name="upschedulesigaction">4.1.14 <code>up_schedule_sigaction()</code></a></h3>