diff -r 317eb3210f7c -r 0ca08b310819 CREDITS
--- a/CREDITS	Tue Oct 03 01:27:17 2017 +0200
+++ b/CREDITS	Tue Oct 03 02:05:09 2017 +0200
@@ -110,20 +110,20 @@
      http://www.freesound.org/people/sethlind/sounds/265021/
 - Extra Time sound originally by uair01 (CC-BY 3.0), remixed from
      http://www.freesound.org/people/uair01/sounds/65291/
-- Air mine impact sound by Wuzzy (WTFPL), based on
+- Air mine impact sound by Wuzzy (CC-0), based on
      http://www.freesound.org/people/batchku/sounds/10479/
 - Rubber duck sounds are in the Public Domain.
-- Countdown sounds by Wuzzy (WTFPL)
+- Countdown sounds by Wuzzy (CC-0)
 - Laser Sight sound originally from drzhn (CC-0), remixed from
      https://www.freesound.org/people/drzhnn/sounds/199938/
 - Flying Saucer boost sound originally by Jagadamba (CC-BY 3.0), remixed from
      https://www.freesound.org/people/Jagadamba/sounds/257057/
 - Blowtorch sound originally by rombard (CC-0), remixed from
      https://www.freesound.org/people/rombart/sounds/197800/
-- Portable Portal Device color switching sound by Wuzzy (WTFPL)
+- Portable Portal Device color switching sound by Wuzzy (CC-0)
 - Portable Portal Device shot sound originally by bubaproducer (CC-BY 3.0), remixed from
      https://www.freesound.org/people/bubaproducer/sounds/151026/ 
-- Portal opening sound by Wuzzy (WTFPL)
+- Portal opening sound by Wuzzy (CC-0)
 - Invulnerable sound: remix based on a sound by pepingrillin (CC-0)
      https://www.freesound.org/people/pepingrillin/sounds/252079/
 
@@ -132,5 +132,4 @@
 ======================
 
 - CC-BY 3.0: https://creativecommons.org/licenses/by/3.0/
-- CC0: https://creativecommons.org/publicdomain/zero/1.0/
-- WTFPL: http://www.wtfpl.net/txt/copying/
+- CC-0: https://creativecommons.org/publicdomain/zero/1.0/