diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index <HASH>..<HASH> 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -295,6 +295,8 @@ module ActionDispatch
       end
     end
 
+    # returns true if request content mime type is
+    # +application/x-www-form-urlencoded+ or +multipart/form-data+.
     def form_data?
       FORM_DATA_MEDIA_TYPES.include?(content_mime_type.to_s)
     end
Documentation for ActionDispatch::Request form_data? method [ci skip]