Fix RuboCop offences

Author: p0deje

rb/lib/selenium/webdriver/version.rb

@@ -19,4 +19,4 @@ module Selenium
   module WebDriver
     VERSION = '3.11.0'.freeze
   end # WebDriver
-end #Selenium
+end # Selenium

rb/selenium-webdriver.gemspec

@@ -12,8 +12,8 @@ Gem::Specification.new do |s|
   s.email = ['[email protected]', '[email protected]']
 
   s.summary = 'The next generation developer focused tool for automated testing of webapps'
-  s.description = 'WebDriver is a tool for writing automated tests of websites. ' + \
-                  'It aims to mimic the behaviour of a real user, ' + \
+  s.description = 'WebDriver is a tool for writing automated tests of websites. ' \
+                  'It aims to mimic the behaviour of a real user, ' \
                   'and as such interacts with the HTML of the application.'
 
   s.license = 'Apache-2.0'