diff --git a/CYGWIN.md b/CYGWIN.md
index 8a703a81..e6ab6cf9 100644
--- a/CYGWIN.md
+++ b/CYGWIN.md
@@ -4,7 +4,7 @@ Installing to Cygwin
 This is based on installing onto a fresh default installation of Cygwin 2.895 (64-bit installation) running in Windows 10
 inside VMWare Fusion on a Mac.
 
-The end result is a Windows Service called `CYGWIN Shairport Sync`, providing an AirPlay service.
+The end result is a Windows Service called `CYGWIN Shairport Sync` which provides an AirPlay service by which iOS devices or other AirPlay sources on the network can play audio through Windows.
 
 Setting up Windows
 ----