README in archive-tar-external-1.2.0 vs README in archive-tar-external-1.2.1

@@ -14,21 +14,16 @@
    # The short way
    t = Tar::External.new("test.tar", "*.rb", "gzip")
    
 == Prerequisites
    Ruby 1.8.0 or later.
-   The win32-open3 package (Windows only).
+   The win32-open3 package (MS Windows only).
    The "tar" command line program.
    At least one compression program, e.g. gzip, bzip2, zip, etc.
    
 == Installation
-=== Standard Installation
-   ruby test/tc_archive.rb (optional)
-   ruby install.rb
-
-=== Gem Installation
-   ruby archive-tar-external.gemspec
-   gem install archive-tar-external-XXX.gem
+   rake test (optional)
+   rake install (non-gem) or rake install_gem (gem)
    
 == Notes
    For further documentation and information, see the tar_external.txt file
    in the 'doc' directory.