diff --git a/doc/html/mp11.html b/doc/html/mp11.html
index f79de1a..09c746f 100644
--- a/doc/html/mp11.html
+++ b/doc/html/mp11.html
@@ -3301,7 +3301,7 @@ using R1 = mp_fold<L1, std::ratio<0,1>, std::ratio_add>; // std::rat
 {
     std::size_t const N = sizeof...(T);
 
-    mp_for_each<mp_iota_c<N>>( []( auto I ){
+    mp_for_each<mp_iota_c<N>>( [&]( auto I ){
 
         // I is mp_size_t<0>, mp_size_t<1>, ..., mp_size_t<N-1>
 
@@ -3840,7 +3840,7 @@ expression <code>f(std::get&lt;J&gt;(std::forward&lt;Tp&gt;(tp)))</code> for <co
 </div>
 <div id="footer">
 <div id="footer-text">
-Last updated 2017-06-17 19:42:32 GTBDT
+Last updated 2017-06-18 02:23:06 GTBDT
 </div>
 </div>
 <style>
diff --git a/doc/mp11/algorithm.adoc b/doc/mp11/algorithm.adoc
index cd61207..ba0292b 100644
--- a/doc/mp11/algorithm.adoc
+++ b/doc/mp11/algorithm.adoc
@@ -565,7 +565,7 @@ template<class... T> void print( std::tuple<T...> const & tp )
 {
     std::size_t const N = sizeof...(T);
 
-    mp_for_each<mp_iota_c<N>>( []( auto I ){
+    mp_for_each<mp_iota_c<N>>( [&]( auto I ){
 
         // I is mp_size_t<0>, mp_size_t<1>, ..., mp_size_t<N-1>