diff --git a/doc/reference/tooling/tt_cli/configuration.rst b/doc/reference/tooling/tt_cli/configuration.rst
index a5088dd26c..8bd66e236b 100644
--- a/doc/reference/tooling/tt_cli/configuration.rst
+++ b/doc/reference/tooling/tt_cli/configuration.rst
@@ -9,7 +9,7 @@ Configuration file
 The key artifact that defines the ``tt`` environment and various aspects of its
 execution is its configuration file.
 
-By default, the configuration file is called ``tarantool.yaml``. The location
+By default, the configuration file is called ``tt.yaml``. The location
 where ``tt`` searches for it depends on the :ref:`launch mode <tt-config_modes>`.
 You can also pass the configuration file explicitly in the ``--cfg``
 :doc:`argument <arguments>`.