diff --git a/docs/index.md b/docs/index.rst
similarity index 98%
rename from docs/index.md
rename to docs/index.rst
index 4f58f2367..dcceab227 100644
--- a/docs/index.md
+++ b/docs/index.rst
@@ -1,4 +1,5 @@
-# Documentation
+Documentation
+-------------
 
 If you're new here, start with the [Tendermint Intro](/intro).