diff --git a/README.rdoc b/README.rdoc
index b433b271..4ee2d79a 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -86,6 +86,8 @@ For Facebook, Twitter, Delicious, GitHub and other API examples, see http://gith
      :image => UploadIO.new(File.open(file_path), "image/png", file_path), 
      :key => imgur_key
     ).deserialise
+    
+** Note: To enable Multipart support, you'll have to explicitly require 'wrest/multipart', which depends on a '{multipart-post}[https://rubygems.org/gems/multipart-post]'
 
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