less blocking these days

docs/libcurl/libcurl-multi.3

@@ -136,8 +136,6 @@ the future, you should be aware of the following current restrictions:
  - GnuTLS SSL connections
  - Active FTP connections
  - HTTP proxy CONNECT operations
- - SCP and SFTP connections
- - SFTP transfers
  - TFTP transfers
  - file:// transfers
 .fi