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@@ -46,6 +46,8 @@ parameters:
Usage and invocation
--------------------
+### Activating device(s)
+
This script is capable of chatting with multiple devices. By default a
device is passive and not acting on messages. To activate it send a message
containing `! identity` (exclamation mark, optional space and system's
@@ -63,6 +65,21 @@ act on your commands.
Send a single exclamation mark or non-existent identity to make all
devices passive again.
+### Reply to message
+
+Let's assume you received a message from a device before, and want to send
+a command to that device. No need to activate it, you can just reply to
+that message.
+
+![reply to message](telegram-chat.d/03-reply.avif)
+
+Associated messages are cleared on device reboot.
+
+### Ask for devices
+
+Send a message with a single question mark (`?`) to query for devices
+currenty online. The answer can be used for command via reply then.
+
Known limitations
-----------------