Remove trailing whitespace.
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 95ba1c4..8c078bc 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -591,7 +591,7 @@
             TestCase.failUnlessAlmostEqual(first, second[, places[, msg]])
 
    Test that *first* and *second* are approximately equal by computing the
-   difference, rounding to the given number of decimal *places* (default 7), 
+   difference, rounding to the given number of decimal *places* (default 7),
    and comparing to zero.
    Note that comparing a given number of decimal places is not the same as
    comparing a given number of significant digits. If the values do not compare
@@ -602,7 +602,7 @@
             TestCase.failIfAlmostEqual(first, second[, places[, msg]])
 
    Test that *first* and *second* are not approximately equal by computing the
-   difference, rounding to the given number of decimal *places* (default 7), 
+   difference, rounding to the given number of decimal *places* (default 7),
    and comparing to zero.
    Note that comparing a given number of decimal places is not the same as
    comparing a given number of significant digits. If the values do not compare