kdeconnect-cli: refresh page (#9553)

* Use lowerccase for placeholders

* Add missing quotes

* Enhance command description

pages/common/kdeconnect-cli.md

@@ -1,6 +1,6 @@
 # kdeconnect-cli
 
-> KDE Connect CLI.
+> KDE's Connect CLI.
 > More information: <https://kdeconnect.kde.org>.
 
 - List all devices:
@@ -17,20 +17,20 @@
 
 - Ring a device, specifying its name:
 
-`kdeconnect-cli --ring --name {{device_name}}`
+`kdeconnect-cli --ring --name "{{device_name}}"`
 
 - Share an URL or file with a paired device, specifying its ID:
 
-`kdeconnect-cli --share {{URL|path/to/file}} --device {{device_id}}`
+`kdeconnect-cli --share {{url|path/to/file}} --device {{device_id}}`
 
 - Send an SMS with an optional attachment to a specific number:
 
-`kdeconnect-cli --name {{device_name}} --send-sms {{message}} --destination {{phone_number}} --attachment {{path/to/file}}`
+`kdeconnect-cli --name "{{device_name}}" --send-sms "{{message}}" --destination {{phone_number}} --attachment {{path/to/file}}`
 
 - Unlock a specific device:
 
-`kdeconnect-cli --name {{device_name}} --unlock`
+`kdeconnect-cli --name "{{device_name}}" --unlock`
 
 - Simulate a key press on a specific device:
 
-`kdeconnect-cli --name {{device_name}} --send-keys {{key}}`
+`kdeconnect-cli --name "{{device_name}}" --send-keys {{key}}`