diff --git a/ChangeLog b/ChangeLog
index f75e034..8490dc3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,9 @@
 # Distributed under the GPL v2
 # $Id$
 
+  14 Apr 2012; Robin H. Johnson <robbat2@gentoo.org> gen_initramfs.sh:
+  Release copy_binaries function as public domain.
+
   14 Apr 2012; Robin H. Johnson <robbat2@gentoo.org> gen_initramfs.sh:
   Handle other binary paths for LVM.
 
diff --git a/gen_initramfs.sh b/gen_initramfs.sh
index f178b2d..5bffbb0 100755
--- a/gen_initramfs.sh
+++ b/gen_initramfs.sh
@@ -3,6 +3,13 @@
 
 CPIO_ARGS="--quiet -o -H newc"
 
+# The copy_binaries function is explicitly released into the public domain to
+# encourage wide adoption and re-use.
+# Written by: 
+# - Robin H. Johnson <robbat2@gentoo.org> (complete rewrite)
+# - Richard Yao <ryao@cs.stonybrook.edu> (original concept)
+# Usage:
+# copy_binaries DESTDIR BINARIES...
 copy_binaries() {
 	local destdir=$1
 	shift