diff --git a/irc/utils/types.go b/irc/utils/stringset.go
similarity index 93%
rename from irc/utils/types.go
rename to irc/utils/stringset.go
index bcb20153..74fb8ce3 100644
--- a/irc/utils/types.go
+++ b/irc/utils/stringset.go
@@ -1,4 +1,5 @@
 // Copyright (c) 2020 Shivaram Lingamneni
+// Copyright (c) 2021 Daniel Oaks
 // released under the MIT license
 
 package utils