diff --git a/core/assets/attributions.md b/core/assets/attributions.md
index eb64e99..d2ac5c1 100644
--- a/core/assets/attributions.md
+++ b/core/assets/attributions.md
@@ -5,16 +5,25 @@ Matthew Pablo
 -------------
 
 - Music
- - Theme.ogg
+ - theme.ogg
   - Source: http://opengameart.org/content/you-were-my-brother-live-orchestra
   - Original Name/Format(s): Tropic Strike - 1M2 - _You Were My Brother_.mp3
   - Additional info: http://www.matthewpablo.com/
-  
+
+Zefs
+====
+
+- Music
+ - battle_music.ogg
+  - Source: http://opengameart.org/content/orchestral-battle-music
+  - Original Name/Format(s): TheLoomingBattle.OGG 
+  - Additional Info: -
+
 Iwan Gabovitch
 --------------
 
 - SFX
- - Hit01.ogg ... Hit05.ogg
+ - hit01.ogg ... hit05.ogg
   - Source:  http://opengameart.org/content/15-vocal-male-strainhurtpainjump-sounds
   - Original Name/Format(s): slightscream-03.flac, slightscream-04.flac, slightscream-05.flac, slightscream-10.flac, slightscream-14.flac
   - Additional info: -
@@ -31,7 +40,7 @@ Ogrebane
 Kenney
 ======
 - SFX
- - button_press.ogg
+ - button_press.ogg, button_release.ogg
   - Source: http://opengameart.org/content/51-ui-sound-effects-buttons-switches-and-clicks
-  - Original Name/Format(s): switch31.wav
-  - Additional info: www.kenney.nl
\ No newline at end of file
+  - Original Name/Format(s): switch31.wav, swich32.wav
+  - Additional info: www.kenney.nl