owncloudcmd command as a typo in an option

[mmattel]

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Describe the bug

Referenced docs issue: owncloud/docs-client-desktop#314 (owncloudcmd documentation incorrect.)

$ owncloudcmd -h
gui.platform: adding plugin directory "/opt/ownCloud/ownCloud/bin/../lib/x86_64-linux-gnu/plugins"
Usage: owncloudcmd [options] source_dir server_url remote_folder
owncloudcmd version 3.0.0.9215- - command line client tool

Options:
  -s, --silten                      Don't be so verbose.

--silten --> --silent

Here are more improvements for other option descriptions:

--httpproxy <http://server:port>
Specify a http proxy to use. --> Specify a HTTP proxy to use.

--server <url>
Use [url] as the location of the server. OCIS only (server location and spaces url can differ) -->
Use [url] as the location of the server. Infinite Scale only (server location and spaces URL can differ)

Expected behavior

Fix option typo

Steps to reproduce the issue

Just run owncloudcmd

Screenshots

No response

Logs

No response

Client version number

Desktop environment (Linux only)

No response

Client package version and origin (Linux only)

No response

Installation path (Windows only)

No response

Server information

No response

Additional context

No response

[TheOneRing]

Fixed in 3.1