Closes #16155: fix a few errors in doctest output of the FAQ pages.
diff --git a/Doc/faq/design.rst b/Doc/faq/design.rst
index 66b0652..2c986d4 100644
--- a/Doc/faq/design.rst
+++ b/Doc/faq/design.rst
@@ -49,7 +49,7 @@
 People are often very surprised by results like this::
 
    >>> 1.2 - 1.0
-   0.199999999999999996
+   0.19999999999999996
 
 and think it is a bug in Python. It's not.  This has nothing to do with Python,
 but with how the underlying C platform handles floating point numbers, and