diff --git a/doc/formats.txt b/doc/formats.txt
index 7bc5d96..015dae0 100644
--- a/doc/formats.txt
+++ b/doc/formats.txt
@@ -58,3 +58,4 @@ https://feedparser.readthedocs.io/en/latest/
 https://github.com/mmcdole/gofeed
 https://github.com/miniflux/v2/tree/2.0.28/reader/
 https://github.com/Ranchero-Software/RSParser
+https://github.com/feederco/feeder-parser