diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
index 8d23cc1..0e04962 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -160,7 +160,7 @@
 
 An optional ``':'`` and format specifier can follow the field name. This allows
 greater control over how the value is formatted.  The following example
-truncates Pi to three places after the decimal.
+rounds Pi to three places after the decimal.
 
    >>> import math
    >>> print 'The value of PI is approximately {0:.3f}.'.format(math.pi)