diff --git a/test/test_helper.rb b/test/test_helper.rb
index f6359c0..4b58a91 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -8,6 +8,7 @@ require "active_support/notifications"
 
 ENV["RACK_ENV"] = "test"
 
+# for reloadable synonyms
 ENV["ES_PATH"] ||= "#{ENV["HOME"]}/elasticsearch/#{ENV["ELASTICSEARCH_VERSION"]}" if ENV["TRAVIS"]
 
 $logger = ActiveSupport::Logger.new(ENV["VERBOSE"] ? STDOUT : nil)
--
libgit2 0.21.0