diff --git a/README b/README
index eed22e5c1ac432e8046921e20f209df6b8a6297a..aa2b2486fbf57b36bfca31ba2ae44a662685b0c3 100644
--- a/README
+++ b/README
@@ -53,8 +53,8 @@ distribution.
 
 --- Others
   Asterisk has also been 'ported' and reportedly runs properly on other
-operating systems as well, including Sun Solaris, Apple's Mac OS X, and
-the BSD variants.
+operating systems as well, including Sun Solaris, Apple's Mac OS X, Cygwin,
+and the BSD variants.
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