diff --git a/README.md b/README.md
index c4f6e94..a6bd182 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,7 @@
 [![Build Status](https://travis-ci.com/romanz/electrs.svg?branch=master)](https://travis-ci.com/romanz/electrs)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
 
-An efficient re-implementation of Electrum Server, inspired by [ElectrumX](https://github.com/kyuupichan/electrumx)
-and [Electrum Personal Server](https://github.com/chris-belcher/electrum-personal-server/).
+An efficient re-implementation of Electrum Server, inspired by [ElectrumX](https://github.com/kyuupichan/electrumx), [Electrum Personal Server](https://github.com/chris-belcher/electrum-personal-server) and [bitcoincore-indexd](https://github.com/jonasschnelli/bitcoincore-indexd).
 
 The motivation behind this project is to enable a user to run his own Electrum server,
 with required hardware resources not much beyond those of a [full node](https://en.bitcoin.it/wiki/Full_node#Why_should_you_use_a_full_node_wallet).