Update usage

README.rst

@@ -75,21 +75,23 @@ Usage
 ::
 
     $ speedtest-cli -h
-    usage: speedtest-cli [-h] [--no-download] [--no-upload] [--bytes] [--share]
-                         [--simple] [--csv] [--csv-delimiter CSV_DELIMITER]
-                         [--csv-header] [--json] [--list] [--server SERVER]
-                         [--exclude EXCLUDE] [--mini MINI] [--source SOURCE]
-                         [--timeout TIMEOUT] [--secure] [--no-pre-allocate]
-                         [--version]
-    
+    usage: speedtest-cli [-h] [--no-download] [--no-upload] [--single] [--bytes]
+                         [--share] [--simple] [--csv]
+                         [--csv-delimiter CSV_DELIMITER] [--csv-header] [--json]
+                         [--list] [--server SERVER] [--exclude EXCLUDE]
+                         [--mini MINI] [--source SOURCE] [--timeout TIMEOUT]
+                         [--secure] [--no-pre-allocate] [--version]
+
     Command line interface for testing internet bandwidth using speedtest.net.
     --------------------------------------------------------------------------
     https://github.com/sivel/speedtest-cli
-    
+
     optional arguments:
       -h, --help            show this help message and exit
       --no-download         Do not perform download test
       --no-upload           Do not perform upload test
+      --single              Only use a single connection instead of multiple. This
+                            simulates a typical file transfer.
       --bytes               Display values in bytes instead of bits. Does not
                             affect the image generated by --share, nor output from
                             --json or --csv

speedtest-cli.1

@@ -33,6 +33,11 @@ Do not perform download test
 Do not perform upload test
 .RE
 
+\fB\-\-single\fR
+.RS
+Only use a single connection instead of multiple. This simulates a typical file transfer.
+.RE
+
 \fB\-\-bytes\fR
 .RS
 Display values in bytes instead of bits. Does not affect the image generated by \-\-share, nor output from \-\-json or \-\-csv