diff --git a/README.md b/README.md
index fae455a..c57b2a6 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,6 @@ Use with command
 
 ```
 sudo journalctl -xeu yggdrasil --no-pager -o json-pretty  | jq ".MESSAGE" -r | cut -f3- -d' ' | sed 's/inbound:/Inbound/; s/outbound:/Outbound/' | cut -f1 -d@ | sed 's/$/"/;' | ./yggscraper
-```
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+```
+
+btw it allows to "blacklist" some addresses from the showing through the ~/.config/yggscraper/blacklist. It allows both pure IPs and ranges, v4 and v6.
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