diff --git a/doc/tooling/tt_cli/global_options.rst b/doc/tooling/tt_cli/global_options.rst
index 9ebaa50d2..a8daa7398 100644
--- a/doc/tooling/tt_cli/global_options.rst
+++ b/doc/tooling/tt_cli/global_options.rst
@@ -46,8 +46,8 @@ Global options
 
 .. option:: -s, --self
 
-    Execute the same ``tt`` installation in presence of other active ``tt`` versions
-    in :ref:`bin_dir <tt-config_file_env>`.
+    Use the current ``tt`` version instead of executing the one located
+    in the :ref:`bin_dir <tt-config_file_env>` directory.
 
 .. option:: -S, --system
 
diff --git a/doc/tooling/tt_cli/log.rst b/doc/tooling/tt_cli/log.rst
index 14cbe4dc2..fa5d3e209 100644
--- a/doc/tooling/tt_cli/log.rst
+++ b/doc/tooling/tt_cli/log.rst
@@ -5,7 +5,7 @@ Printing Tarantool logs
 
 ..  code-block:: console
 
-    $ tt log APPLICATION[:APP_INSTANCE]
+    $ tt log [APPLICATION[:APP_INSTANCE]]
 
 ``tt log`` prints the last lines of instance logs.
 
diff --git a/doc/tooling/tt_cli/start.rst b/doc/tooling/tt_cli/start.rst
index 298406ee4..03a851a34 100644
--- a/doc/tooling/tt_cli/start.rst
+++ b/doc/tooling/tt_cli/start.rst
@@ -5,7 +5,7 @@ Starting Tarantool applications
 
 ..  code-block:: console
 
-    $ tt start APPLICATION[:APP_INSTANCE]
+    $ tt start [APPLICATION[:APP_INSTANCE]]
 
 ``tt start`` starts Tarantool applications. The application files must be stored
 inside the ``instances_enabled`` directory specified in the :ref:`tt configuration file <tt-config_file_app>`.
diff --git a/doc/tooling/tt_cli/stop.rst b/doc/tooling/tt_cli/stop.rst
index 90b4a8f39..cd6505757 100644
--- a/doc/tooling/tt_cli/stop.rst
+++ b/doc/tooling/tt_cli/stop.rst
@@ -5,7 +5,7 @@ Stopping a Tarantool instance
 
 ..  code-block:: console
 
-    $ tt stop APPLICATION[:APP_INSTANCE]
+    $ tt stop [APPLICATION[:APP_INSTANCE]]
 
 ``tt stop`` stops the specified running Tarantool applications or instances.
 When called without arguments, stops all running applications in the current environment.