docs: clarify mobile-only control in README

Update usage instructions to explicitly state that Deezer Connect only
works from mobile devices, not from desktop apps or web player. Link to
and attribute official Deezer documentation.

CHANGELOG.md

@@ -14,6 +14,7 @@ and [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/).
 - [uuid] `uuid` module providing a fast UUID v4 generator
 
 ### Changed
+- [docs] Clarify that Deezer Connect control only works from mobile devices
 - [main] Use kernel instead of distribution version on Linux systems
 - [remote] Start/stop audio device on controller connect/disconnect
 

README.md

@@ -91,16 +91,20 @@ Before installing **pleezer**, ensure your system has the necessary build enviro
 
 ## Usage
 
-Once **pleezer** is launched, it will wait for a connection from another Deezer client. Here's how to connect and use **pleezer** with your mobile device or other Deezer clients:
+**pleezer** acts as a remote playback device that can be controlled from the Deezer mobile app using [Deezer Connect](https://support.deezer.com/hc/en-gb/articles/5449309457949-Deezer-Connect). Note that Deezer Connect only works *from* mobile devices - you cannot control **pleezer** from desktop apps or the web player.
 
-1. **Open** the Deezer app on your mobile device or another Deezer client.
-2. **Tap** the loudspeaker icon, usually found in the bottom-left corner, to access the Audio Output section.
-3. **Select** **Deezer Connect** to view a list of available devices.
-4. **Choose** the device named with either the name you specified using the `-n` option or the default system hostname.
+Following the official Deezer Connect instructions, here's how to control **pleezer** from your mobile device:
 
-Your music will start playing on the selected device.
+1. **Open** the Deezer app on your mobile device
+2. **Tap** the loudspeaker icon in the bottom-left corner (Audio Options)
+3. **Select** **Deezer Connect** to view available devices
+4. **Choose** the device named with either your specified name (`-n` option) or the system hostname
 
-**Note:** To discover and connect to the **pleezer** device, ensure it is connected with the same Deezer account and that **pleezer** is online.
+Your music will then play through **pleezer** while being controlled from your mobile device.
+
+**Note:** The device running **pleezer** must:
+- Be connected to the internet
+- Use the same Deezer account as your mobile device
 
 ### Command-Line Arguments