diff --git a/td/mtproto/SessionConnection.cpp b/td/mtproto/SessionConnection.cpp
index 0bc938b9c..2c7764df5 100644
--- a/td/mtproto/SessionConnection.cpp
+++ b/td/mtproto/SessionConnection.cpp
@@ -518,10 +518,11 @@ Status SessionConnection::on_slice_packet(const MsgInfo &info, Slice packet) {
   }
 
   auto get_update_description = [&] {
-    return PSTRING() << "update from " << get_name() << " active for " << (Time::now() - created_at_)
-                     << " seconds in container " << container_id_ << " from session " << auth_data_->get_session_id()
-                     << " with message_id " << info.message_id << ", main_message_id = " << main_message_id_
-                     << ", seq_no = " << info.seq_no << " and original size = " << info.size;
+    return PSTRING() << "update from " << get_name() << " with auth key " << auth_data_->get_auth_key().id()
+                     << " active for " << (Time::now() - created_at_) << " seconds in container " << container_id_
+                     << " from session " << auth_data_->get_session_id() << " with message_id " << info.message_id
+                     << ", main_message_id = " << main_message_id_ << ", seq_no = " << info.seq_no
+                     << " and original size = " << info.size;
   };
 
   // It is an update... I hope.
diff --git a/td/telegram/net/Session.cpp b/td/telegram/net/Session.cpp
index c6b587182..abb22ede1 100644
--- a/td/telegram/net/Session.cpp
+++ b/td/telegram/net/Session.cpp
@@ -574,7 +574,8 @@ Status Session::on_pong() {
       Timestamp::at(current_info_->created_at_ + MIN_CONNECTION_ACTIVE).is_in_past()) {
     Status status;
     if (!unknown_queries_.empty()) {
-      status = Status::Error(PSLICE() << "No state info for " << unknown_queries_.size() << " queries for "
+      status = Status::Error(PSLICE() << "No state info for " << unknown_queries_.size() << " queries from auth key "
+                                      << auth_data_.get_auth_key().id() << " for "
                                       << format::as_time(Time::now() - current_info_->created_at_));
     }
     if (!sent_queries_list_.empty()) {
@@ -582,8 +583,9 @@ Status Session::on_pong() {
         auto query = Query::from_list_node(it);
         if (Timestamp::at(query->sent_at_ + MAX_QUERY_TIMEOUT).is_in_past()) {
           if (status.is_ok()) {
-            status = Status::Error(PSLICE() << "No answer for " << query->query << " for "
-                                            << format::as_time(Time::now() - query->sent_at_));
+            status =
+                Status::Error(PSLICE() << "No answer from auth key " << auth_data_.get_auth_key().id() << " for "
+                                       << query->query << " for " << format::as_time(Time::now() - query->sent_at_));
           }
           query->ack = false;
         } else {