bin/rvmify in rvmify-0.1.0 vs bin/rvmify in rvmify-0.2.0

@@ -1,10 +1,18 @@
 #!/usr/bin/env ruby
 require 'rvmify'
 
+def usage
+  puts "To use rvmify, you must specify a directory."
+  puts
+  puts "Examples: rvmify ."
+  puts "          rmvify /path/to/myproject"
+  abort
+end
+
 dir = ARGV.shift
 
-abort("No directory found") if dir.nil?
+usage if dir.nil?
 
 begin
   Rvmify.generate(File.expand_path(dir))
 rescue => e
   abort(e.message)
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