Merge pull request #9117 from golflimaechoecho/update_filebucket_doc_comment

(docs) update filebucket doc to reflect cryptographic checksum instead of md5

Author: joshcooper

lib/puppet/type/filebucket.rb

@@ -4,7 +4,7 @@ module Puppet
 
   Type.newtype(:filebucket) do
     @doc = <<-EOT
-      A repository for storing and retrieving file content by MD5 checksum. Can
+      A repository for storing and retrieving file content by cryptographic checksum. Can
       be local to each agent node, or centralized on a primary Puppet server. All
       puppet servers provide a filebucket service that agent nodes can access
       via HTTP, but you must declare a filebucket resource before any agents