diff --git a/data/core.telegram.org/mtproto/auth_key.html b/data/core.telegram.org/mtproto/auth_key.html
index 60d690c7a3..07ca10745e 100644
--- a/data/core.telegram.org/mtproto/auth_key.html
+++ b/data/core.telegram.org/mtproto/auth_key.html
@@ -88,7 +88,6 @@
 </blockquote>
 <p>Here, encrypted_answer is obtained as follows:</p>
 <ul>
-<li>new_nonce_hash := 128 lower-order bits of SHA1 (new_nonce);</li>
 <li><p>answer := serialization </p>
 <pre><code>  server_DH_inner_data#b5890dba nonce:int128 server_nonce:int128 g:int dh_prime:string g_a:string server_time:int = Server_DH_inner_data;</code></pre>
 </li>