diff --git a/examples/rename.lua b/examples/rename.lua
index 2f8d1ab..5811e61 100755
--- a/examples/rename.lua
+++ b/examples/rename.lua
@@ -2,9 +2,12 @@
 -- Basic mass file renamer using osx and
 -- standard Lua gsub().
 --
--- Renames every file inside a directory.
--- A trimmed down but functional and useful
--- variant of util-linux rename(1) 
+-- Renames every file inside a directory (defaults to current directory).
+-- Trimmed down but functional and useful variant of util-linux rename(1).
+--
+-- Example uses:
+-- lua rename.lua 'something' 'something_else'
+-- lua rename.lua '(%w+).lua' '%1.lua.bk' src
 --
 -- Author Lorenzo Cogotti, The DoubleFourteen Code Forge