diff --git a/doc/release.txt b/doc/release.txt
index 7567187..c4a9aca 100644
--- a/doc/release.txt
+++ b/doc/release.txt
@@ -1,4 +1,4 @@
-RtAudio - a set of C++ classes that provide a common API for realtime audio input/output across Linux (native ALSA, JACK, PulseAudio, and OSS), Macintosh OS X (CoreAudio and JACK), and Windows (DirectSound and ASIO) operating systems.
+RtAudio - a set of C++ classes that provide a common API for realtime audio input/output across Linux (native ALSA, JACK, PulseAudio, and OSS), Macintosh OS X (CoreAudio and JACK), and Windows (DirectSound, ASIO and WASAPI) operating systems.
 
 By Gary P. Scavone, 2001-2014.