add some backwards compatibility

update documentation/comments to reflect reality

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index f0b8c53..ad636c9 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ https://github.com/evanstachowiak/puppet-bundler bundler)
 
    By default this will install bundler with RVM, if you wish to use another
    method, you can pass any puppet package provider to the class as
-   'install_method', or just use undef if you wish the puppet parser to
+   'install_method', or just use '' if you wish the puppet parser to
    automatically chose the best method for your platform.
 
   Examples: class { 'bundler::install': install_method => 'fink' };