diff --git a/README.md b/README.md
index c4f8247..1f5c15b 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ For the protocol design, mining rules, balance-sheet model and orphan correction
 
 ## Table of Contents
 
+- [System Requirements](#system-requirements)
 - [Network Requirements](#network-requirements)
 - [Build Instructions](#build-instructions)
 - [PostgreSQL Setup](#postgresql-setup)