Update README.md

Author: vshymanskyy

README.md

@@ -66,10 +66,10 @@ lua ./examples/client.lua <your_auth_token>
 ```
 
 ## Features
-- Lua 5.1, Lua 5.2, Lua 5.3, LuaJIT support
-- <img src="https://cdn.rawgit.com/simple-icons/simple-icons/develop/icons/linux.svg" width="18" height="18" /> Linux,
+- **Lua 5.1, Lua 5.2, Lua 5.3, LuaJIT** support
+- **<img src="https://cdn.rawgit.com/simple-icons/simple-icons/develop/icons/linux.svg" width="18" height="18" /> Linux,
 <img src="https://cdn.rawgit.com/simple-icons/simple-icons/develop/icons/windows.svg" width="18" height="18" /> Windows,
-<img src="https://cdn.rawgit.com/simple-icons/simple-icons/develop/icons/apple.svg" width="18" height="18" /> MacOS support
+<img src="https://cdn.rawgit.com/simple-icons/simple-icons/develop/icons/apple.svg" width="18" height="18" /> MacOS** support
 - `virtualWrite`
 - `syncVirtual`
 - `setProperty`