diff --git a/11001.md b/31001.md
similarity index 99%
rename from 11001.md
rename to 31001.md
index c99dffd..909fa50 100644
--- a/11001.md
+++ b/31001.md
@@ -22,7 +22,7 @@ an event looks like this:
 
 ```
 let event = {
-  kind: 11001,
+  kind: 31001,
   created_at: Math.floor(Date.now() / 1000),
   tags: [
     ["D", "BUY"],