diff --git a/aplay/aplay.1 b/aplay/aplay.1
index fabacaa..ec7289b 100644
--- a/aplay/aplay.1
+++ b/aplay/aplay.1
@@ -3,8 +3,9 @@
 arecord, aplay \- command-line sound recorder and player for ALSA 
 soundcard driver
 .SH SYNOPSIS
-
-[\fBarecord\fP | \fBaplay\fP ] [\fIflags\fP] filename
+\fBarecord\fP [\fIflags\fP] [filename]
+.SH SYNOPSIS
+\fBaplay\fP [\fIflags\fP] [filename [filename]] ...
 
 .SH DESCRIPTION
 \fBarecord\fP is a command-line soundfile recorder for the ALSA soundcard
@@ -18,6 +19,9 @@ forth can be automatically determined from the soundfile header.
 .SH INVOKING
 
 [\fBarecord\fP | \fBaplay\fP ] [\fIflags\fP] filename
+.TP
+If filename is not specified, the standard output or input is used. The \fBaplay\fP utility accepts multiple filenames.
+
 
 .SS Options
 .TP