bpo-25237: Documentation for tkinter modules (GH-1870)

diff --git a/Doc/library/tk.rst b/Doc/library/tk.rst
index 95cd1c7..c6c73f0 100644
--- a/Doc/library/tk.rst
+++ b/Doc/library/tk.rst
@@ -33,14 +33,17 @@
 .. toctree::
 
    tkinter.rst
+   tkinter.colorchooser.rst
+   tkinter.font.rst
+   dialog.rst
+   tkinter.messagebox.rst
+   tkinter.scrolledtext.rst
+   tkinter.dnd.rst
    tkinter.ttk.rst
    tkinter.tix.rst
-   tkinter.scrolledtext.rst
    idle.rst
    othergui.rst
 
 .. Other sections I have in mind are
    Tkinter internals
-   Freezing Tkinter applications
-
-
+   Freezing Tkinter applications
\ No newline at end of file