diff --git a/README.md b/README.md
index 11002dc..e03a52f 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@
 * Конкатенирует смежные пакеты
 * Автоматически проводит urldecode
 * Разархивирует GZIP в HTTP на лету
+* Разархивирует сжатые WebSockets
 
 ![Скриншот главного окна](screenshots/Screenshot.png)
 ## Клонирование
diff --git a/README_EN.md b/README_EN.md
index 06eb927..5b22879 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -18,7 +18,8 @@ Advanced network traffic flow analyzer for A/D CTFs.
 * Has the option to copy packet content in the required format
 * Can concatenate adjacent packets
 * Can urldecode text automatically
-* Can automatically decode GZIPed HTTP
+* Can automatically decompress GZIPed HTTP
+* Can automatically deflate WebSockets with permessages-deflate extension
 
 ![Main window](screenshots/Screenshot.png)
 ## Cloning