Update 'rake update:migrated_links_at'

Update docs in code

Author: dshevtsov

rakelib/update.rake

@@ -77,7 +77,7 @@ namespace :update do
  puts 'Work in progress...'.magenta
  dir_glob_pattern = File.join(dir, '**', '*')
  full_file_list = Dir[dir_glob_pattern]
-
+ # exclude paths by pattern from the file list if the 'exclude' argument was added
  if exclude
  exclude_glob_pattern = File.join(dir, exclude)
  excluded_file_list = Dir[exclude_glob_pattern]