strings. Use \fIcurl_slist_append(3)\fP to append strings (commands) to the
list, and clear the entire list afterwards with
\fIcurl_slist_free_all(3)\fP. Disable this operation again by setting a NULL
-to this option. When speaking to a FTP server, prefix the command with an
-asterisk (*) to make libcurl continue even if the command fails as by default
-libcurl will stop at first failure.
+to this option. When speaking to a FTP (or SFTP since 7.24.0) server, prefix
+the command with an asterisk (*) to make libcurl continue even if the command
+fails as by default libcurl will stop at first failure.
The set of valid FTP commands depends on the server (see RFC959 for a list of
mandatory commands).