Misc wording fixes

lib/common/common_helper.rb

@@ -95,6 +95,7 @@ def last_update
   date
 end
 
+# Was it 5 days ago?
 def update_required?
   date = last_update
   day_seconds = 24 * 60 * 60

lib/wpscan/wpscan_helper.rb

@@ -49,7 +49,7 @@ def usage
   puts '-Use custom plugins directory ...'
   puts "ruby #{script_name} -u www.example.com --wp-plugins-dir wp-content/custom-plugins"
   puts
-  puts '-Update the DB ...'
+  puts '-Update the Database ...'
   puts "ruby #{script_name} --update"
   puts
   puts '-Debug output ...'

wpscan.rb

@@ -85,9 +85,10 @@ def main
       wpscan_options.to_h.merge(max_threads: wpscan_options.threads)
     )
 
-    # check if db file needs upgrade and we are not running in batch mode
-    # also no need to check if the user supplied the --update switch
+    # Check if db file needs upgrade (older than 5 days) and we are not running in --batch mode
+    # Also no need to check if the user supplied the --update switch
     if update_required? && !wpscan_options.batch && !wpscan_options.update
+      puts
       puts notice('It seems like you have not updated the database for some time.')
       puts notice("Last database update: #{date.strftime('%Y-%m-%d')}") unless date.nil?
       print '[?] Do you want to update now? [Y]es [N]o [A]bort, default: [N] > '
@@ -98,7 +99,7 @@ def main
         exit(1)
       else
         if missing_db_file?
-          puts critical('You can not run a scan without any databases. Extract the data.zip file.')
+          puts critical('You can not run a scan without any databases. Manually extract the data.zip file.')
           exit(1)
         end
       end