diff --git a/README.md b/README.md
index f03f3f7..e49b9e5 100644
--- a/README.md
+++ b/README.md
@@ -25,4 +25,9 @@ def SQL():
             'SELECT v FROM kv WHERE k=? ORDER BY t DESC LIMIT 1', k)) else None,
         __contains__=lambda sql, k: bool(sql('SELECT 1 FROM kv WHERE k=?', k))))()
 sql = SQL()
+```
+
+# wireguard
+```powershell
+wg genkey|%{$_;$_|wg pubkey}
 ```
\ No newline at end of file