Diff
1diff --git a/feedparser/feedparser.go b/feedparser/feedparser.go
2index eb55097e297ced2badfc928f568b4c3cd82bb086..a322638f9718ee399fa7965f3e92ff68aa0a2611 100644
3--- a/feedparser/feedparser.go
4+++ b/feedparser/feedparser.go
5@@ -47,7 +47,7 @@ func (p *parser) fetch(url string) (io.ReadCloser, error) {
6 }
7
8 if response.StatusCode == http.StatusNotFound {
9- return nil, ErrInvalidChannelID
10+ return nil, fmt.Errorf("%w: %s", ErrInvalidChannelID, url)
11 } else if response.StatusCode != http.StatusOK {
12 return nil, fmt.Errorf("failed to get feed with status %d", response.StatusCode)
13 }