diff --git a/lib/common/models/wp_item/vulnerable.rb b/lib/common/models/wp_item/vulnerable.rb
index b13c1dfc..ec100de3 100755
--- a/lib/common/models/wp_item/vulnerable.rb
+++ b/lib/common/models/wp_item/vulnerable.rb
@@ -5,6 +5,7 @@ class WpItem
     attr_accessor :vulns_file, :vulns_xpath
 
     # Get the vulnerabilities associated to the WpItem
+    # Filters out already fixed vulnerabilities
     #
     # @return [ Vulnerabilities ]
     def vulnerabilities
diff --git a/lib/common/version_compare.rb b/lib/common/version_compare.rb
index aa4e9e28..0e1de16d 100644
--- a/lib/common/version_compare.rb
+++ b/lib/common/version_compare.rb
@@ -1,7 +1,15 @@
 # encoding: UTF-8
 
 class VersionCompare
+
+  # Compares two version strings. Returns true if version1 is equal to version2
+  # or when version1 is older than version2
+  #
+  # @param [ String ] version1
+  # @param [ String ] version2
+  #
+  # @return [ Boolean ]
 	def self.is_newer_or_same?(version1, version2)
 		(version1 == version2) || (Gem::Version.new(version1) < Gem::Version.new(version2))
 	end
-end
\ No newline at end of file
+end
diff --git a/spec/shared_examples/wp_item_vulnerable.rb b/spec/shared_examples/wp_item_vulnerable.rb
index 0fb31b98..dc591314 100644
--- a/spec/shared_examples/wp_item_vulnerable.rb
+++ b/spec/shared_examples/wp_item_vulnerable.rb
@@ -12,9 +12,7 @@ shared_examples 'WpItem::Vulnerable' do
   describe '#vulnerabilities' do
     let(:empty_file) { MODELS_FIXTURES + '/wp_item/vulnerable/empty.xml' }
 
-    before do
-      stub_request(:get, /.*/)
-    end
+    before { stub_request(:get, /.*/) }
 
     after do
       subject.vulns_file  = @vulns_file