diff --git a/api/api_test.go b/api/api_test.go
index 94247b7..e8e5720 100644
--- a/api/api_test.go
+++ b/api/api_test.go
@@ -35,6 +35,8 @@ import (
 
 type stubTypeWithMetaData struct{}
 
+// MyReader is an io.ReadCloser implementation for writing
+// the body of an http request
 type MyReader struct {
 	reader io.Reader
 }