diff --git a/docs/LangRef.html b/docs/LangRef.html
index 2cf74c2824f..792a8b54664 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -811,6 +811,9 @@ a power of 2.</p>
     <dd>This function attribute indicates that the function type does not use
     the unwind instruction and does not allow stack unwinding to propagate
     through it.</dd>
+    <dt><tt>nest</tt></dt>
+    <dd>This indicates that the parameter can be excised using the
+    <a href="#int_trampoline">trampoline intrinsics</a>.</dd>
   </dl>
 
 </div>