diff --git a/README.md b/README.md
index 274dbd3..50d8c31 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,8 @@ If you don't want any "spoiler text", just leave the line empty.
 
 Copy `blacklist.sample.json` to `blacklist.json` and replace or add accounts that should not receive any image
 
+Copy `collection.sample.json` to `collection.json` and add collection for your bot
+
 ## Use it
 
 ```