diff --git a/cmd/root.go b/cmd/root.go
index 15a15a2..5797bcc 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -37,6 +37,8 @@ func formatItem(item *gofeed.Item, tmpl *template.Template) (string, error) {
 	return html.UnescapeString(b.String()), err
 }
 
+// parseFeeds parses the feeds at the given urls in parallel and returns them,
+// along with any parsing errors.
 func parseFeeds(urls []string) ([]*gofeed.Feed, []error) {
 	fp := gofeed.NewParser()
 	var feedChs []chan *gofeed.Feed