diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 4ca3c4f..8cd31a4 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -57,8 +57,8 @@
 end
 
 Capybara::Screenshot.register_filename_prefix_formatter(:rspec) do |example|
-  path = example.example_group.top_level_description.gsub(%r{^/}, '').gsub('/', '-').gsub(' is accessible', '')
-  standards = example.description.split(' ').last
+  example.example_group.top_level_description.gsub(%r{^/}, '').gsub('/', '-').gsub(' is accessible', '')
+  standards = example.description.split.last
   "tmp/capybara/screenshot_#{page}_#{standards}"
 end
 
diff --git a/spec/support/jekyll.rb b/spec/support/jekyll.rb
index bf3d34b..e288d08 100644
--- a/spec/support/jekyll.rb
+++ b/spec/support/jekyll.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'jekyll'
 
 # Tools to build / compile the Jekyll site and extract the sitemap