tests/examples/controller/audio-example.c: Improve comment and test commit mail sending.

Original commit message from CVS:
* tests/examples/controller/audio-example.c:
Improve comment and test commit mail sending.

ChangeLog

+2007-06-07  Stefan Kost  <ensonic@users.sf.net>
+
+	* tests/examples/controller/audio-example.c:
+	  Improve comment and test commit mail sending.
+
 2007-06-07  Wim Taymans  <wim@fluendo.com>
 	* gst/gstbin.c: (find_message), (bin_replace_message), (is_eos),

tests/examples/controller/audio-example.c

 /*
  * audio-example.c
  *
- * Build a pipeline with testaudiosource->alsasink
- * and sweep frequency and volume
+ * Builds a pipeline with audiotestsource->alsasink and sweeps frequency and
+ * volume.
  *
+ * Needs gst-plugin-base installed.
  */
 
 #include <gst/gst.h>