diff --git a/README.md b/README.md
index 573804f..99c20bf 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ messages starting with a slash are sent to chat only if the `--disable-commands`
 ## docs
 
 - [Compiling](docs/compiling.md)
-- [Message formats](docs/message_formats.md)
+- [User agents](docs/user_agents.md)
 - [Authenticated mode](docs/auth_mode.md)
 - [WRAC protocol (v2.0)](docs/wrac.md)
 - [FAQ](docs/faq.md)
diff --git a/docs/message_formats.md b/docs/message_formats.md
deleted file mode 100644
index 0f04c8e..0000000
--- a/docs/message_formats.md
+++ /dev/null
@@ -1,47 +0,0 @@
-# message formats
-
-## types
-
-### bRAC
-
-this client
-
-```yml
-format: "리㹰<{name}> {text}"
-regex:  "\uB9AC\u3E70<(.*?)> (.*)"
-color:  "green"
-```
-
-### CRAB
-
-[CRAB - client & server for RAC written in java](https://gitea.bedohswe.eu.org/pixtaded/crab)
-
-```yml
-format: "═══<{name}> {text}"
-regex:  "\u2550\u2550\u2550<(.*?)> (.*)"
-color:  "light red"
-```
-
-### Mefedroniy
-
-[Mefidroniy - client for RAC written in rust](https://github.com/OctoBanon-Main/mefedroniy-client)
-
-```yml
-format: "°ʘ<{name}> {text}"
-regex:  "\u00B0\u0298<(.*?)> (.*)"
-color:  "light magenta"
-```
-
-### clRAC
-
-official client
-
-```yml
-format: "<{name}> {text}"
-regex:  "<(.*?)> (.*)"
-color:  "cyan"
-```
-
-## developer notes
-
-in auth-mode, there is must to be `> ` after name (`{name}> {text}`)
\ No newline at end of file
diff --git a/docs/user_agents.md b/docs/user_agents.md
new file mode 100644
index 0000000..1b1f0b2
--- /dev/null
+++ b/docs/user_agents.md
@@ -0,0 +1,18 @@
+# user agents
+
+User agents in RAC is the way how to get know from what client the message was sent. It works by just checking the message text throught regex. 
+
+## clients
+
+Here are listed the most common clients, and their name colors in the chat.
+
+| Client        | Format        | Regex     | Color     |
+|    :----:     |    :----:     |    :----: |  :----:   |
+| [bRAC](https://github.com/MeexReay/bRAC) | 리㹰<{name}> {text} | `\uB9AC\u3E70<(.*?)> (.*)` | green
+| [CRAB](https://gitea.bedohswe.eu.org/pixtaded/crab) | ═══<{name}> {text} | `\u2550\u2550\u2550<(.*?)> (.*)` | light red
+| [Mefidroniy](https://github.com/OctoBanon-Main/mefedroniy-client) | °ʘ<{name}> {text} | `\u00B0\u0298<(.*?)> (.*)` | light magenta
+| clRAC | <{name}> {text} | `<(.*?)> (.*)` | cyan
+
+## developer notes
+
+in auth-mode, there is must to be `> ` after name (`{name}> {text}`)
\ No newline at end of file