diff --git a/z.sh b/z.sh
index 81d968d..000b4f1 100755
--- a/z.sh
+++ b/z.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (c) 2009 rupa deadwyler under the WTFPL license
 
 # maintains a jump-list of the directories you actually use
 #