diff --git a/README.md b/README.md
index b5c9141..dde3ee7 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 #  ListenerApp
 
-This is an iOS app that connects to an  Apple IIgs over a network and streams text to it from voice dicatation.
+This is an iOS app that connects to an Apple IIgs over a network and streams text to it from voice dicatation.
+
+This app uses [SwiftSocket v2.1.0](https://github.com/swiftsocket/SwiftSocket/tree/2.1.0) for opening the TCP connection to the Apple IIgs.