diff --git a/README.md b/README.md
index 1e121ec..7a2f212 100644
--- a/README.md
+++ b/README.md
@@ -313,7 +313,7 @@ See also [awesome-industrial-control-system-security](https://github.com/hslatma
 * [pig](https://github.com/rafael-santiago/pig) - GNU/Linux packet crafting tool.
 * [routersploit](https://github.com/reverse-shell/routersploit) - Open source exploitation framework similar to Metasploit but dedicated to embedded devices.
 * [rshijack](https://github.com/kpcyrd/rshijack) - TCP connection hijacker, Rust rewrite of `shijack`.
-* [scapy](https://github.com/secdev/scapy) - Python-based interactive packet manipulation program & library.
+* [scapy](https://github.com/secdev/scapy) - Python-based interactive packet manipulation program and library.
 
 ### DDoS Tools
 
@@ -379,6 +379,7 @@ See also [awesome-industrial-control-system-security](https://github.com/hslatma
 * [mallory](https://github.com/justmao945/mallory) - HTTP/HTTPS proxy over SSH.
 * [mitmproxy](https://github.com/mitmproxy/mitmproxy) - Interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
 * [oregano](https://github.com/nametoolong/oregano) - Python module that runs as a machine-in-the-middle (MITM) accepting Tor client requests.
+* [sylkie](https://dlrobertson.github.io/sylkie/) - Command line tool and library for testing networks for common address spoofing security vulnerabilities in IPv6 networks using the Neighbor Discovery Protocol.
 
 ### Transport Layer Security Tools