diff --git a/actionpack/lib/abstract_controller/callbacks.rb b/actionpack/lib/abstract_controller/callbacks.rb
index 287550db42..d5317e4717 100644
--- a/actionpack/lib/abstract_controller/callbacks.rb
+++ b/actionpack/lib/abstract_controller/callbacks.rb
@@ -39,8 +39,8 @@ module ClassMethods
# except: :index, if: -> { true } # the :except option will be ignored.
#
# ==== Options
- # * only - The callback should be run only for this action
- # * except - The callback should be run for all actions except this action
+ # * only - The callback should be run only for this action.
+ # * except - The callback should be run for all actions except this action.
def _normalize_callback_options(options)
_normalize_callback_option(options, :only, :if)
_normalize_callback_option(options, :except, :unless)
@@ -59,7 +59,7 @@ def _normalize_callback_option(options, from, to) # :nodoc:
# * names - A list of valid names that could be used for
# callbacks. Note that skipping uses Ruby equality, so it's
# impossible to skip a callback defined using an anonymous proc
- # using #skip_action_callback
+ # using #skip_action_callback.
def skip_action_callback(*names)
ActiveSupport::Deprecation.warn('`skip_action_callback` is deprecated and will be removed in Rails 5.1. Please use skip_before_action, skip_after_action or skip_around_action instead.')
skip_before_action(*names, raise: false)
@@ -82,8 +82,8 @@ def skip_filter(*names)
# * block - A proc that should be added to the callbacks.
#
# ==== Block Parameters
- # * name - The callback to be added
- # * options - A hash of options to be used when adding the callback
+ # * name - The callback to be added.
+ # * options - A hash of options to be used when adding the callback.
def _insert_callbacks(callbacks, block = nil)
options = callbacks.extract_options!
_normalize_callback_options(options)