--- a/doc/user/chat.rst	Fri Jun 06 11:08:05 2025 +0200
+++ b/doc/user/chat.rst	Fri Jun 06 11:54:29 2025 +0200
@@ -26,11 +26,22 @@
 Threads and Replies
 -------------------
 
-In a message, you'll see a **"Reply"** button represented by a left-pointing arrow. Click
+In a message, you'll see a "Reply" button represented by a left-pointing arrow. Click
 it to reply to a specific message. This action creates a thread, which functions as a
 focused discussion within the main conversation or a series of replies on the same topic.
 
 When a thread exists, a chat bubble icon with three dots will appear in the message
 header, next to the timestamp. Hovering over this icon highlights all messages in the
-thread. Clicking it opens a **thread panel** containing all messages from that thread.
+thread. Clicking it opens a submessage panel containing all messages from that thread.
 Messages written in this panel will be posted as replies to the thread.
+
+Keywords
+--------
+
+Chat messages can have "keywords", which may help to categorize them. They can, for
+instance, be added by an email gateway or a bot.
+
+When present, these keywords will appear under the message. Clicking on one of these
+keywords will show a submessage panel on the right side, where you'll see only messages
+with this keyword. If you write a message in this panel, the keyword will be automatically
+added to the message.