--- a/Resources/sounds/sources.txt	Fri Aug 27 18:24:35 2010 +0200
+++ b/Resources/sounds/sources.txt	Fri Aug 27 18:30:02 2010 +0200
@@ -29,7 +29,8 @@
 creaking.ogg wavfile: creaking.wav
 
 [silent.ogg]
-generated 2 secs of silence - dd if=/dev/zero of=silence.pcm bs=176400 count=2 ; oggenc -r silence.pcm
+Generated 2 secs of silence - dd if=/dev/zero of=silence.pcm bs=176400 count=2 ; oggenc -r silence.pcm
+Generated by Neil Muller, Aug 2010
 Not copyrightable.
 
 [can_hit.ogg]
@@ -68,9 +69,11 @@
 
 [beep330.ogg]
 [beep440.ogg]
+[beep550.ogg]
 [beep660.ogg]
 [beep880.ogg]
-Created with the gen_sound.py script in trunk/tools (330, 440, 660, 880 Hz).
+Created with the gen_sound.py script in trunk/tools (330, 440, 550, 660, 880 Hz).
+Generated by Neil Muller, Aug 2010
 Not copyrightable.
 
 [beep1.ogg]
@@ -79,3 +82,6 @@
 /gen_sound.py 660 0.25 ; /gen_sound.py 550 0.25 ; cat beep770.pcm beep660.pcm beep550.pcm beep440.pcm > beep2.pcm
 [beep3.ogg]
 cat beep440.pcm beep550.pcm beep660.pcm beep550.pcm > beep3.pcm
+
+Generated by Neil Muller, Aug 2010
+License: http://creativecommons.org/licenses/by/3.0/