diff --git a/utils/redis-copy.rb b/utils/redis-copy.rb
index af214b798..d892e377f 100644
--- a/utils/redis-copy.rb
+++ b/utils/redis-copy.rb
@@ -1,12 +1,10 @@
-# redis-sha1.rb - Copyright (C) 2009 Salvatore Sanfilippo
+# redis-copy.rb - Copyright (C) 2009-2010 Salvatore Sanfilippo
 # BSD license, See the COPYING file for more information.
 #
-# Performs the SHA1 sum of the whole datset.
-# This is useful to spot bugs in persistence related code and to make sure
-# Slaves and Masters are in SYNC.
+# Copy the whole dataset from one Redis instance to another one
 #
-# If you hack this code make sure to sort keys and set elements as this are
-# unsorted elements. Otherwise the sum may differ with equal dataset.
+# WARNING: currently hashes and sorted sets are not supported! This
+#          program should be updated.
 
 require 'rubygems'
 require 'redis'