README | 1 +

diff --git a/README b/README
index d4dad7fc3c031d5ef6e8715e10004838af18af6c44feeff6a1ecc8ddb0d76fd9..2800cac673769b471f692a49ab4a6f9b17f83239398dcbb6ba3b0c4c261746a3 100644
--- a/README
+++ b/README
@@ -9,6 +9,7 @@ https://rutracker.org/forum/viewtopic.php?t=5591249
 
     $ curl "http://api.rutracker.org/v1/get_tor_hash?by=topic_id&val=5591249"
     {"result":{"5591249":"FE63F7FA266E8F3F812FF637EB9025413CB58D51"}}
+    # http://api.rutracker.org/v1/get_topic_id?by=hash&val=FE63F7FA266E8F3F812FF637EB9025413CB58D51
     $ aria2c "magnet:?xt=urn:btih:FE63F7FA266E8F3F812FF637EB9025413CB58D51"
 
 It is recommended to recompress it with Zstandard, to save the space and