diff --git a/Documentation/NuttxUserGuide.html b/Documentation/NuttxUserGuide.html
index 9e63bb0b5d4..a6002e5f9b4 100644
--- a/Documentation/NuttxUserGuide.html
+++ b/Documentation/NuttxUserGuide.html
@@ -3280,7 +3280,7 @@ the unblocked signal is ignored.
 <b>Function Prototype:</b> 
 <pre>
     #include &lt;signal.h&gt;
-    int sigqueue (int tid, int signo, const union sigval value);
+    int sigqueue (int tid, int signo, union sigval value);
 </pre>
 
 <p>