https://github.com/python/cpython/pull/7287#discussion_r192545744

Author: native-api

Doc/library/tkinter.rst

@@ -36,8 +36,9 @@ Architecture
 Tkinter provides a unified interface to several separate and distinct libraries.
 
 Tcl
-   Like Python, Tcl is a dynamic interpreted programming language. It is most
-   commonly used by C applications to embed a scripting language, or as an
+   Tcl is a dynamic interpreted programming language, just like Python. Though
+   it can be used on its own as a general-purpose programming language, it is
+   most commonly embedded into C applications as a scripting engine or an
    interface to the Tk toolkit. The Tcl library has a C interface to
    create and manage one or more instances of a Tcl interpreter, run Tcl
    commands and scripts in those instances, and add custom commands