diff --git a/audio/vocoder/vocoder.SlackBuild b/audio/vocoder/vocoder.SlackBuild
index 8065a8f17d..2e05b2b34b 100644
--- a/audio/vocoder/vocoder.SlackBuild
+++ b/audio/vocoder/vocoder.SlackBuild
@@ -4,7 +4,7 @@
 
 # Written by B. Watson (yalhcru@gmail.com)
 
-# Licensed under the WTFPL. See http://sam.zoy.org/wtfpl/ for details.
+# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
 PRGNAM=vocoder
 VERSION=${VERSION:-0.29}