diff --git a/NEWS.md b/NEWS.md
index 9f246237f..86a539485 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -7,6 +7,10 @@ User-visible changes worth mentioning.
 
 ## master
 
+- [#PR ID] Add PR description.
+
+## 5.0.0
+
 - [#1127] Change the token_type initials of the Banner Token to uppercase to comply with the RFC6750 specification.
 
 ## 5.0.0.rc2
diff --git a/doorkeeper.gemspec b/doorkeeper.gemspec
index f79854388..e426cb624 100644
--- a/doorkeeper.gemspec
+++ b/doorkeeper.gemspec
@@ -1,30 +1,30 @@
-$LOAD_PATH.push File.expand_path("../lib", __FILE__)
+$LOAD_PATH.push File.expand_path('../lib', __FILE__)
 
-require "doorkeeper/version"
+require 'doorkeeper/version'
 
 Gem::Specification.new do |s|
-  s.name        = "doorkeeper"
+  s.name        = 'doorkeeper'
   s.version     = Doorkeeper.gem_version
-  s.authors     = ["Felipe Elias Philipp", "Tute Costa", "Jon Moss", "Nikita Bulai"]
+  s.authors     = ['Felipe Elias Philipp', 'Tute Costa', 'Jon Moss', 'Nikita Bulai']
   s.email       = %w(bulaj.nikita@gmail.com)
-  s.homepage    = "https://github.com/doorkeeper-gem/doorkeeper"
-  s.summary     = "OAuth 2 provider for Rails and Grape"
-  s.description = "Doorkeeper is an OAuth 2 provider for Rails and Grape."
+  s.homepage    = 'https://github.com/doorkeeper-gem/doorkeeper'
+  s.summary     = 'OAuth 2 provider for Rails and Grape'
+  s.description = 'Doorkeeper is an OAuth 2 provider for Rails and Grape.'
   s.license     = 'MIT'
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- spec/*`.split("\n")
-  s.require_paths = ["lib"]
+  s.require_paths = ['lib']
 
-  s.add_dependency "railties", ">= 4.2"
-  s.required_ruby_version = ">= 2.1"
+  s.add_dependency 'railties', '>= 4.2'
+  s.required_ruby_version = '>= 2.1'
 
-  s.add_development_dependency "capybara", '~> 2.18'
-  s.add_development_dependency "coveralls"
-  s.add_development_dependency "grape"
-  s.add_development_dependency "database_cleaner", "~> 1.6"
-  s.add_development_dependency "factory_bot", "~> 4.8"
-  s.add_development_dependency "generator_spec", "~> 0.9.3"
-  s.add_development_dependency "rake", ">= 11.3.0"
-  s.add_development_dependency "rspec-rails"
+  s.add_development_dependency 'capybara', '~> 2.18'
+  s.add_development_dependency 'coveralls'
+  s.add_development_dependency 'grape'
+  s.add_development_dependency 'database_cleaner', '~> 1.6'
+  s.add_development_dependency 'factory_bot', '~> 4.8'
+  s.add_development_dependency 'generator_spec', '~> 0.9.3'
+  s.add_development_dependency 'rake', '>= 11.3.0'
+  s.add_development_dependency 'rspec-rails'
 end
diff --git a/lib/doorkeeper/oauth/authorization/token.rb b/lib/doorkeeper/oauth/authorization/token.rb
index 675401277..e881df4c4 100644
--- a/lib/doorkeeper/oauth/authorization/token.rb
+++ b/lib/doorkeeper/oauth/authorization/token.rb
@@ -34,8 +34,6 @@ def refresh_token_enabled?(server, context)
               !!server.refresh_token_enabled?
             end
           end
-
-          private
         end
 
         def initialize(pre_auth, resource_owner)
diff --git a/lib/doorkeeper/oauth/client_credentials/creator.rb b/lib/doorkeeper/oauth/client_credentials/creator.rb
index e9ae204c2..09ad284d5 100644
--- a/lib/doorkeeper/oauth/client_credentials/creator.rb
+++ b/lib/doorkeeper/oauth/client_credentials/creator.rb
@@ -5,7 +5,8 @@ class Creator
         def call(client, scopes, attributes = {})
           AccessToken.find_or_create_for(
             client, nil, scopes, attributes[:expires_in],
-            attributes[:use_refresh_token])
+            attributes[:use_refresh_token]
+          )
         end
       end
     end
diff --git a/lib/doorkeeper/rails/routes.rb b/lib/doorkeeper/rails/routes.rb
index 807219f1b..78715a7fe 100644
--- a/lib/doorkeeper/rails/routes.rb
+++ b/lib/doorkeeper/rails/routes.rb
@@ -44,11 +44,11 @@ def generate_routes!(options)
       private
 
       def map_route(name, method)
-       unless @mapping.skipped?(name)
-         send(method, @mapping[name])
+        return if @mapping.skipped?(name)
 
-         mapping[name] = @mapping[name]
-       end
+        send(method, @mapping[name])
+
+        mapping[name] = @mapping[name]
       end
 
       def authorization_routes(mapping)
diff --git a/lib/doorkeeper/version.rb b/lib/doorkeeper/version.rb
index 5181a23a4..af5e4cecc 100644
--- a/lib/doorkeeper/version.rb
+++ b/lib/doorkeeper/version.rb
@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 5
     MINOR = 0
     TINY = 0
-    PRE = 'rc2'
+    PRE = nil
 
     # Full version number
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
diff --git a/spec/controllers/tokens_controller_spec.rb b/spec/controllers/tokens_controller_spec.rb
index 6226ae545..d87a32b17 100644
--- a/spec/controllers/tokens_controller_spec.rb
+++ b/spec/controllers/tokens_controller_spec.rb
@@ -33,7 +33,7 @@
       allow(I18n).to receive(:translate).
         with(
           custom_message,
-          hash_including(scope: %i[doorkeeper errors messages]),
+          hash_including(scope: %i[doorkeeper errors messages])
         ).
         and_return('Authorization custom message')