diff --git a/README.md b/README.md
index 6381550..dcf5714 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 * [Lsyncd](https://github.com/axkibe/lsyncd) - Watches a local directory trees for changes, and then spawns a process to synchronize the changes. Uses rsync by default.
 * [Rsnapshot](http://www.rsnapshot.org/) - Filesystem Snapshotting Utility.
 * [SafeKeep](http://safekeep.sourceforge.net/) - Centralized pull-based backup using `rdiff-backup`.
-* [TarSnap](https://www.tarsnap.com/) - Secure backup service with an open-source client.
+* [TarSnap](https://www.tarsnap.com/) - Secure backup service with a portable client in C.
 * [UrBackup](http://www.urbackup.org/) - Another client-server backup system.
 * [DREBS](https://github.com/dojo4/drebs) - AWS EBS backup script that supports strategies.