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-rw-r--r--actionpack/lib/action_controller/metal/strong_parameters.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb
index 7afa49a833..51c65e5e70 100644
--- a/actionpack/lib/action_controller/metal/strong_parameters.rb
+++ b/actionpack/lib/action_controller/metal/strong_parameters.rb
@@ -160,7 +160,7 @@ module ActionController
# }
# })
#
- # permitted = params.permit(person: [ :name, { pets: [ :name ] } ])
+ # permitted = params.permit(person: [ :name, { pets: :name } ])
# permitted.permitted? # => true
# permitted[:person][:name] # => "Francesco"
# permitted[:person][:age] # => nil