diff --git a/README.md b/README.md
index 12f4d1e..f0df79b 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,30 @@
 # bRAC
 better RAC client
 
+## features
+
+- no ip and date visible
+- plays sound on receiving messages
+- using tor proxy by default
+- coloring usernames by their clients (CRAB, clRAC, Mefidroniy, etc)
+- RACv1.99.x compatible
+
+![image](https://github.com/user-attachments/assets/a2858662-50f1-4554-949c-f55addf48fcc)
+
 ## how to use
 
+(you have to install [rust](https://rust-lang.org) at first)
+
 ```bash
 cargo build # build
 cargo run   # run
 ```
 
-![image](https://github.com/user-attachments/assets/a2858662-50f1-4554-949c-f55addf48fcc)
+## see also
+
+- [CRAB - client & server for RAC](https://gitea.bedohswe.eu.org/pixtaded/crab)
+- [AlmatyD - server for RAC](https://gitea.bedohswe.eu.org/bedohswe/almatyd)
+- [RAC protocol (v1.0)](https://bedohswe.eu.org/text/rac/protocol.md.html)
+- [RAC protocol (v1.99.1)](https://gitea.bedohswe.eu.org/)
+