asking the user to choose if necessary. Normally the specified text
is the text in the current buffer between @var{from} and @var{to},
defaulting to the whole buffer if they are @code{nil}. If @var{from}
-is a string, the string is the specified text, and @var{to} is ignored.
+is a string, the string specifies the text to encode, and @var{to} is
+ignored.
If @var{default-coding-system} is non-@code{nil}, that is the first
coding system to try; if that can handle the text,