diff --git a/docs/configuration/index.md b/docs/configuration/index.md
index 011613c41..a67c49f6a 100644
--- a/docs/configuration/index.md
+++ b/docs/configuration/index.md
@@ -47,6 +47,7 @@ LAVALINK_SERVER_SOURCES_SOUNDCLOUD
 LAVALINK_SERVER_SOURCES_TWITCH
 LAVALINK_SERVER_SOURCES_VIMEO
 LAVALINK_SERVER_SOURCES_HTTP
+LAVALINK_SERVER_SOURCES_NICO
 LAVALINK_SERVER_SOURCES_LOCAL
 
 LAVALINK_SERVER_FILTERS_VOLUME