diff --git a/include/boost/utility/result_of.hpp b/include/boost/utility/result_of.hpp
index 41cc176..77c26fe 100644
--- a/include/boost/utility/result_of.hpp
+++ b/include/boost/utility/result_of.hpp
@@ -27,7 +27,7 @@
 #include <boost/utility/declval.hpp>
 
 #ifndef BOOST_RESULT_OF_NUM_ARGS
-#  define BOOST_RESULT_OF_NUM_ARGS 10
+#  define BOOST_RESULT_OF_NUM_ARGS 16
 #endif
 
 namespace boost {
diff --git a/utility.htm b/utility.htm
index 3ac5d42..b9707db 100644
--- a/utility.htm
+++ b/utility.htm
@@ -155,7 +155,7 @@ void f() {
                 the type <code>F</code> to be a function pointer,
                 function reference, member function pointer, or class
                 type. By default, <em>N</em> may be any value between 0 and
-                10. To change the upper limit, define the macro
+                16. To change the upper limit, define the macro
                 <code>BOOST_RESULT_OF_NUM_ARGS</code> to the maximum
                 value for <em>N</em>. Class template <code>result_of</code>
                 resides in the header <code>&lt;<a