chore: update README.md

Author: r3inbowari

README.md

@@ -34,20 +34,22 @@ Flags:
       --help                   Show context-sensitive help (also try --help-long and --help-man).
   -l, --list                   Show available speedtest.net servers.
   -s, --server=SERVER ...      Select server id to speedtest.
-      --custom-url=CUSTOM-URL  Specify the url of the server instead of getting a list from Speedtest.net
+      --custom-url=CUSTOM-URL  Specify the url of the server instead of getting a list from speedtest.net.
       --saving-mode            Test with few computing resources, though low accuracy (especially > 30Mbps).
-      --json                   Output results in json format
+      --json                   Output results in json format.
       --location=LOCATION      Change the location with a precise coordinate.
       --city=CITY              Change the location with a predefined city label.
       --city-list              List all predefined city labels.
-      --proxyproxy=PROXY       Set a proxy(http[s] or socks) for the speedtest.
+      --proxy=PROXY            Set a proxy(http[s] or socks) for the speedtest.
                                eg: --proxy=socks://10.20.0.101:7890
                                eg: --proxy=http://10.20.0.101:7890
       --source=SOURCE          Bind a source interface for the speedtest.
                                eg: --source=10.20.0.101
   -m  --multi                  Enable multi-server mode.
   -t  --thread=THREAD          Set the number of concurrent connections.
       --search=SEARCH          Fuzzy search servers by a keyword.
+      --no-download            Disable download test.
+      --no-upload              Disable upload test.
   -d  --debug                  Enable debug mode.
       --version                Show application version.
 ```