diff --git a/README.md b/README.md
index 1126b02..28a8429 100644
--- a/README.md
+++ b/README.md
@@ -592,7 +592,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 
 * [DD-WRT](https://dd-wrt.com/) - A Linux-based firmware for wireless routers and access points, originally designed for the Linksys WRT54G series. [Source Code](https://svn.dd-wrt.com/) `GPL-2.0` `C` 
 * [OpenWrt](https://openwrt.org/) - A Linux-based router featuring Mesh networking, IPS via snort and AQM among many other features. [Source Code](https://git.openwrt.org/openwrt/openwrt.git) `GPL-2.0` `C`
-* [OPNsense](https://opnsense.org/) - An open source FreeBSD-based firewall and router with traffic shaping, load balancing, and virtual private network capabilities. [Source Code](https://github.com/opnsense) `BSD-2-Clause` `PHP`
+* [OPNsense](https://opnsense.org/) - An open source FreeBSD-based firewall and router with traffic shaping, load balancing, and virtual private network capabilities. [Source Code](https://github.com/opnsense) `BSD-2-Clause` `C` `PHP`
 
 ### Service Discovery