diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8b9ed2e421..ac02436271 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -36,7 +36,7 @@ Before submitting new streams you should verify the following:
 - User-submitted links must not have any effective restrictions that limit viewers by authorization, by viewer count or by designated IP.
 - Test period links are not permitted.
 - User-submitted links must open in VLC media player (see [FAQ](https://github.com/iptv-org/iptv/blob/master/FAQ.md) for details).
-- In case if the host server requires a specific user-agent and or refferer, is geo-blocked or may have downtimes you should represent that in your contribution (see [Stream Description Scheme](#stream-description-scheme)).
+- If the host server requires a specific user-agent and/or a referer, is geo-blocked or may have downtimes, you should represent that in your contribution (see the [Stream Description Scheme](#stream-description-scheme)).
 - If possible please provide an adaptive link that covers every available resolution for a broadcast.
 - Follow the [Playlist Structure](#playlist-structure) in case of contributing by pull requests.