Removed spaces before commas and periods.
diff --git a/Doc/library/tkinter.rst b/Doc/library/tkinter.rst
index ad37a7b..7bdd294 100644
--- a/Doc/library/tkinter.rst
+++ b/Doc/library/tkinter.rst
@@ -180,7 +180,7 @@
The Tk/Tcl development is largely taking place at ActiveState.
`Tcl and the Tk Toolkit <http://www.amazon.com/exec/obidos/ASIN/020163337X>`_
- The book by John Ousterhout, the inventor of Tcl .
+ The book by John Ousterhout, the inventor of Tcl.
`Practical Programming in Tcl and Tk <http://www.amazon.com/exec/obidos/ASIN/0130220280>`_
Brent Welch's encyclopedic book.
@@ -613,7 +613,7 @@
preceded with an ``@``, as in ``"@/usr/contrib/bitmap/gumby.bit"``.
boolean
- You can pass integers 0 or 1 or the strings ``"yes"`` or ``"no"`` .
+ You can pass integers 0 or 1 or the strings ``"yes"`` or ``"no"``.
callback
This is any Python function that takes no arguments. For example::