diff --git a/Rakefile b/Rakefile
index 26f96be96..97af0e911 100644
--- a/Rakefile
+++ b/Rakefile
@@ -23,7 +23,7 @@ YARD::Rake::YardocTask.new(:yard) do |t|
     '-',
     'docs/api.md',
     'docs/getting_started.md',
-    'docs/views.md'
+    'docs/views.md',
   ]
 end
 
diff --git a/lib/vedeu/output/renderers/file_renderer.rb b/lib/vedeu/output/renderers/file_renderer.rb
index 57c72acc1..85db9f10e 100644
--- a/lib/vedeu/output/renderers/file_renderer.rb
+++ b/lib/vedeu/output/renderers/file_renderer.rb
@@ -68,7 +68,7 @@ def options
     # @return [Hash]
     def defaults
       {
-        timestamp: false
+        timestamp: false,
       }
     end
 
diff --git a/lib/vedeu/output/style.rb b/lib/vedeu/output/style.rb
index abb2c3480..e822c444c 100644
--- a/lib/vedeu/output/style.rb
+++ b/lib/vedeu/output/style.rb
@@ -52,7 +52,7 @@ def initialize(value = nil)
     # @return [Array<String|Symbol>|String|Symbol]
     def attributes
       {
-        style: value
+        style: value,
       }
     end
 
diff --git a/lib/vedeu/output/translator.rb b/lib/vedeu/output/translator.rb
index 81e0f5bb5..2683a81a9 100644
--- a/lib/vedeu/output/translator.rb
+++ b/lib/vedeu/output/translator.rb
@@ -206,7 +206,7 @@ def css_to_rgb
       [
         colour[1..2].to_i(16),
         colour[3..4].to_i(16),
-        colour[5..6].to_i(16)
+        colour[5..6].to_i(16),
       ]
     end