diff --git a/manual/intro.wiki b/manual/intro.wiki
index 0569a5a..423e53b 100644
--- a/manual/intro.wiki
+++ b/manual/intro.wiki
@@ -200,6 +200,13 @@ function(d){var b=d,c=1,a=1;for(;;){if(0===b)return a;var b=b-1|0,e=a+c|0,c=a,a=
   Cooperative threading library.
 >>
 >>
+<<link wiki="ocsipersist"|
+<<div class="main-page-project"|
+  ===Ocsipersist
+
+  Persistent data for OCaml.
+>>
+>>
 <<link wiki="tyxml"|
 <<div class="main-page-project"|
   ===Tyxml