diff --git a/docs/src/index.md b/docs/src/index.md
index 102c902..88f01e2 100644
--- a/docs/src/index.md
+++ b/docs/src/index.md
@@ -3,3 +3,13 @@
 This project aims to provide users with functionality for performing quantitative portfolio analytics via [online algorithms](https://en.wikipedia.org/wiki/Online_algorithm).
 
 It depends especially on [OnlineStatsBase.jl](https://joshday.github.io/OnlineStats.jl/).
+
+🚧 This software is under construction. API can have breaking changes.
+
+## Contents
+
+```@contents
+Pages = [
+    "index.md",
+]
+```