Docs edit

Author: zuo

Doc/library/datetime.rst

@@ -2639,11 +2639,11 @@ Notes:
       or ``%x`` format code, no longer requires the *year* part of the
       input to be zero-padded to the usual width (which is either 4 or
       2 digits, depending on the format code and current locale). In
-      previous versions, a :exc:`ValueError` was raised if a shorter
-      *year* (not zero-padded to the 2- or 4-digit width as appropriate)
-      was part of the input. It is worth noting that, depending on the
-      platform/locale, such inputs may be produced by using
-      :meth:`~.datetime.strftime` with ``%c`` or ``%x``).
+      previous versions, a :exc:`ValueError` was raised if a narrower
+      (i.e., not zero-padded) year representation was part of the input
+      (and it is worth noting that, depending on the platform/locale,
+      such inputs may be produced by using :meth:`~.datetime.strftime`
+      with ``%c`` or ``%x``).
 
 (2)
    The :meth:`~.datetime.strptime` method can parse years in the full [1, 9999] range, but