-The date format for the ^Date: field is not standardized, and may not
-be parsed properly, in which case the time stamp from the mail leading
-^"From " will be used.
+The date format for the Date: field is not standardized, and may not
+be parsed properly. When that happens, the time stamp from the
+leading 'From' line of the mail, which has a canonical form, is be
+used.