6 files changed, 13 insertions, 13 deletions
diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb
index 6f49e130d8..ad971b71c9 100644
--- a/actionmailer/lib/action_mailer/base.rb
+++ b/actionmailer/lib/action_mailer/base.rb
@@ -414,7 +414,7 @@ module ActionMailer
   # * <tt>deliveries</tt> - Keeps an array of all the emails sent out through the Action Mailer with
   #   <tt>delivery_method :test</tt>. Most useful for unit and functional testing.
   #
-  # * <tt>deliver_later_queue_name</tt> - The name of the queue used with <tt>deliver_later</tt>
+  # * <tt>deliver_later_queue_name</tt> - The name of the queue used with <tt>deliver_later</tt>.
   class Base < AbstractController::Base
     include DeliveryMethods
     include Previews
diff --git a/actionmailer/lib/action_mailer/gem_version.rb b/actionmailer/lib/action_mailer/gem_version.rb
index ac79788cf0..b35d2ed965 100644
--- a/actionmailer/lib/action_mailer/gem_version.rb
+++ b/actionmailer/lib/action_mailer/gem_version.rb
@@ -1,5 +1,5 @@
 module ActionMailer
-  # Returns the version of the currently loaded Action Mailer as a <tt>Gem::Version</tt>
+  # Returns the version of the currently loaded Action Mailer as a <tt>Gem::Version</tt>.
   def self.gem_version
     Gem::Version.new VERSION::STRING
   end
diff --git a/actionmailer/lib/action_mailer/log_subscriber.rb b/actionmailer/lib/action_mailer/log_subscriber.rb
index c2f671fdac..7e9d916b66 100644
--- a/actionmailer/lib/action_mailer/log_subscriber.rb
+++ b/actionmailer/lib/action_mailer/log_subscriber.rb
@@ -29,7 +29,7 @@ module ActionMailer
       end
     end
 
-    # Use the logger configured for ActionMailer::Base
+    # Use the logger configured for ActionMailer::Base.
     def logger
       ActionMailer::Base.logger
     end
diff --git a/actionmailer/lib/action_mailer/message_delivery.rb b/actionmailer/lib/action_mailer/message_delivery.rb
index ff2cb0fd01..622d481113 100644
--- a/actionmailer/lib/action_mailer/message_delivery.rb
+++ b/actionmailer/lib/action_mailer/message_delivery.rb
@@ -60,9 +60,9 @@ module ActionMailer
     #
     # Options:
     #
-    # * <tt>:wait</tt> - Enqueue the email to be delivered with a delay
-    # * <tt>:wait_until</tt> - Enqueue the email to be delivered at (after) a specific date / time
-    # * <tt>:queue</tt> - Enqueue the email on the specified queue
+    # * <tt>:wait</tt> - Enqueue the email to be delivered with a delay.
+    # * <tt>:wait_until</tt> - Enqueue the email to be delivered at (after) a specific date / time.
+    # * <tt>:queue</tt> - Enqueue the email on the specified queue.
     def deliver_later(options={})
       enqueue_delivery :deliver_now, options
     end
diff --git a/actionmailer/lib/action_mailer/preview.rb b/actionmailer/lib/action_mailer/preview.rb
index 25ad7ee721..aab92fe8db 100644
--- a/actionmailer/lib/action_mailer/preview.rb
+++ b/actionmailer/lib/action_mailer/preview.rb
@@ -52,7 +52,7 @@ module ActionMailer
     extend ActiveSupport::DescendantsTracker
 
     class << self
-      # Returns all mailer preview classes
+      # Returns all mailer preview classes.
       def all
         load_previews if descendants.empty?
         descendants
@@ -68,27 +68,27 @@ module ActionMailer
         message
       end
 
-      # Returns all of the available email previews
+      # Returns all of the available email previews.
       def emails
         public_instance_methods(false).map(&:to_s).sort
       end
 
-      # Returns true if the email exists
+      # Returns true if the email exists.
       def email_exists?(email)
         emails.include?(email)
       end
 
-      # Returns true if the preview exists
+      # Returns true if the preview exists.
       def exists?(preview)
         all.any?{ |p| p.preview_name == preview }
       end
 
-      # Find a mailer preview by its underscored class name
+      # Find a mailer preview by its underscored class name.
       def find(preview)
         all.find{ |p| p.preview_name == preview }
       end
 
-      # Returns the underscored name of the mailer preview without the suffix
+      # Returns the underscored name of the mailer preview without the suffix.
       def preview_name
         name.sub(/Preview$/, '').underscore
       end
diff --git a/actionmailer/lib/action_mailer/test_helper.rb b/actionmailer/lib/action_mailer/test_helper.rb
index 4d03a616d2..45cfe16899 100644
--- a/actionmailer/lib/action_mailer/test_helper.rb
+++ b/actionmailer/lib/action_mailer/test_helper.rb
@@ -2,7 +2,7 @@ require 'active_job'
 
 module ActionMailer
   # Provides helper methods for testing Action Mailer, including #assert_emails
-  # and #assert_no_emails
+  # and #assert_no_emails.
   module TestHelper
     include ActiveJob::TestHelper