Apply suggestion from @StanFromIreland

Co-authored-by: Stan Ulbrych <stan@python.org>

Author: serhiy-storchaka

Doc/library/time.rst

@@ -220,7 +220,7 @@ Functions
    Convert a time expressed in seconds since the epoch_ to a string of a form:
    ``'Sun Jun 20 23:21:05 1993'`` representing local time. The day field
    is two characters long and is space padded if the day is a single digit,
-   e.g.: ``'Wed Jun  9 04:26:40 1993'``.
+   for example: ``'Wed Jun  9 04:26:40 1993'``.
 
    If *seconds* is not provided or :const:`None`, the current time as
    returned by :func:`.time` is used. ``ctime(seconds)`` is equivalent to