docs: note updates

Author: JTorreG

source/unitctl.rst

@@ -10,9 +10,9 @@ CLI (unitctl)
 
 .. note::
 
-   This is a "Technical Preview" release of **unitctl**. We welcome feedback and
-   suggestions for this early access version. It is provided to test its features
-   and should not be used in production environments.
+   **unitctl** is currently being provided as a "Technical Preview". We welcome
+   feedback and suggestions for this early access version. It is provided to test
+   its features and should not be used in production environments.
 
 Unit provides a `Rust SDK <https://github.com/nginx/unit/tree/master/tools/unitctl>`_
 to interact with its :ref:`control API <source-startup>`, and a command line