diff --git a/doc/mp11/algorithm.adoc b/doc/mp11/algorithm.adoc
index 26d5706..c59a55a 100644
--- a/doc/mp11/algorithm.adoc
+++ b/doc/mp11/algorithm.adoc
@@ -563,6 +563,15 @@ using L3 = mp_list<mp_list<float>, mp_list<mp_list<void>>>;
 using R3 = mp_flatten<L3>; // mp_list<float, mp_list<void>>
 ```
 
+## mp_intersperse<L, S>
+
+    template<class L, class S> using mp_intersperse = /*...*/;
+
+Inserts the separator `S` between the elements of `L`.
+
+`mp_intersperse<L<>, S>` is `L<>`. `mp_intersperse<L<T1>, S>` is `L<T1>`.
+`mp_intersperse<L<T1, T2, T3, ..., Tn-1, Tn>, S>` is `L<T1, S, T2, S, T3, S, ..., Tn-1, S, Tn>`.
+
 ## mp_partition<L, P>
 
     template<class L, template<class...> class P> using mp_partition = /*...*/;