diff --git a/env.go b/env.go
index 91c247a..6294cef 100644
--- a/env.go
+++ b/env.go
@@ -2,7 +2,7 @@ package workers
 
 // Getenv gets an environment variable set to global object.
 // * https://developers.cloudflare.com/workers/platform/environment-variables/
-// * Technically, this function is just an alias for js.Global().Get(env_name).
+// * Technically, this function is just an alias for js.Global().Get(env_name).String().
 func Getenv(name string) string {
 	return global.Get(name).String()
 }