diff --git a/tool/merger.rb b/tool/merger.rb
index 9332a96566..dd7d478491 100755
--- a/tool/merger.rb
+++ b/tool/merger.rb
@@ -145,6 +145,8 @@ def tag intv_p = false, relname=nil
     end
   end
   system(*%w'svn cp -m', "add tag #{tagname}", branch_url, tag_url)
+  puts "run following command in git-svn working directory to push the tag into GitHub:"
+  puts "git tag #{tagname}  origin/tags/#{tagname} && git push ruby #{tagname}"
 end
 
 def default_merge_branch