diff --git a/init.rb b/init.rb
index bf76063a..812567f1 100644
--- a/init.rb
+++ b/init.rb
@@ -66,8 +66,8 @@ Redmine::Plugin.register :redmine_dmsf do
   
   Redmine::WikiFormatting::Macros.register do
     desc "Wiki link to DMSF file:\n\n" +
-             "!{{dmsf(file_id)}}\n\n" +
-         "_file_id_ can be found in link for file download."
+             "!{{dmsf(file_id [, title [, revision_id]])}}\n\n" +
+         "_file_id_ / _revision_id_ can be found in link for file/revision download."
          
     macro :dmsf do |obj, args|
       return nil if args.length < 1 # require file id
@@ -84,7 +84,7 @@ Redmine::Plugin.register :redmine_dmsf do
   
   Redmine::WikiFormatting::Macros.register do
     desc "Wiki link to DMSF folder:\n\n" +
-             "!{{dmsff(folder_id)}}\n\n" +
+             "!{{dmsff(folder_id [, title])}}\n\n" +
          "_folder_id_ may be missing. _folder_id_ can be found in link for folder opening."
          
     macro :dmsff do |obj, args|