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 <p>
 <img src="vlapp.png" alt="VocalEasel Application Icon" align="left">
-VocalEasel is a simple lead sheet editor and music rehearsal tool designed for the needs of Jazz vocalists, using LilyPond to produce printable lead sheets and MMA (Musical Midi Accompaniment) to produce MIDI accompaniments.</p>
+VocalEasel is a simple MacOS X (10.4 or later) lead sheet editor and music rehearsal tool designed for the needs of Jazz vocalists, using LilyPond to produce printable lead sheets and MMA (Musical Midi Accompaniment) to produce MIDI accompaniments.</p>
 
 <h2>Download and Install</h2>