diff --git a/docs/config.md b/docs/config.md
index 8c98f5c05..3490d943c 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -417,7 +417,7 @@ This config contains two queues: `federator_incoming` and `federator_outgoing`.
 
 ## :rich_media
 * `enabled`: if enabled the instance will parse metadata from attached links to generate link previews
-* `ignore_hosts`: list host which will ignore for parse metadata. default is [].
+* `ignore_hosts`: list of hosts which will be ignored by the metadata parser. For example `["accounts.google.com", "xss.website"]`, defaults to `[]`.
 * `ignore_tld`: list TLDs (top-level domains) which will ignore for parse metadata. default is ["local", "localdomain", "lan"]
 
 ## :fetch_initial_posts