Remove trailing whitespace.

1 files changed, 7 insertions, 7 deletions

diff --git a/Doc/library/tk.rst b/Doc/library/tk.rst
index 959cdf4..da84791 100644
--- a/Doc/library/tk.rst
+++ b/Doc/library/tk.rst
@@ -12,7 +12,7 @@ Graphical User Interfaces with Tk
 
 Tk/Tcl has long been an integral part of Python.  It provides a robust and
 platform independent windowing toolkit, that is available to Python programmers
-using the :mod:`tkinter` package, and its extension, the :mod:`tkinter.tix` 
+using the :mod:`tkinter` package, and its extension, the :mod:`tkinter.tix`
 module.
 
 The :mod:`tkinter` package is a thin object-oriented layer on top of Tcl/Tk. To
@@ -23,15 +23,15 @@ classes.  In addition, the internal module :mod:`_tkinter` provides a threadsafe
 mechanism which allows Python and Tcl to interact.
 
 :mod:`tkinter`'s chief virtues are that it is fast, and that it usually comes
-bundled with Python. Although its standard documentation is weak, good 
-material is available, which includes: references, tutorials, a book and 
-others. :mod:`tkinter` is also famous for having an outdated look and feel, 
-which has been vastly improved in Tk 8.5. Nevertheless, there are many other 
-GUI libraries that you could be interested in. For more information about 
+bundled with Python. Although its standard documentation is weak, good
+material is available, which includes: references, tutorials, a book and
+others. :mod:`tkinter` is also famous for having an outdated look and feel,
+which has been vastly improved in Tk 8.5. Nevertheless, there are many other
+GUI libraries that you could be interested in. For more information about
 alternatives, see the :ref:`other-gui-packages` section.
 
 .. toctree::
-   
+
    tkinter.rst
    tkinter.tix.rst
    tkinter.scrolledtext.rst