diff --git a/README.md b/README.md
index bfed436..5996225 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,12 @@
-# network-cli
+# network-api
 
-This repository contains the Nexus Network CLI and the interface definition for the Orchestrator server API.
+This repository contains tools for accessing the Nexus Network Testnet.
+
+## Command line interface
 
 See the [CLI readme](./clients/cli/README.md) to get started.
+
+## API
+
+Communication with the Nexus Network Testnet uses protocol buffers
+over web sockets. The interface is defined in [proto](./proto).