diff --git a/README.md b/README.md
index 8274631..fc12280 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ Compatible with Python 3.10+.
 * built-in simulated NxScope device that allows application development without 
 connecting a real NuttX device
 * support for the NxScope serial protocol
+* support for Segger RTT interface based on [pylink](https://github.com/square/pylink)
 * user-specific stream data decoding (user-defined types)
 * support for custom protocols
 
diff --git a/docs/usage.rst b/docs/usage.rst
index 2f60380..cf33062 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -29,6 +29,14 @@ Quick start
       serial_buad = 100000
       intf = SerialDevice(serial_path, serial_baud)
 
+   or device that support NxScope over Segger RTT interface:
+
+   .. code-block:: python
+
+      target_device = "STM32G431CB"
+      buffer_index = 1
+      upsize = 2048
+      intf = RTTDevice(target_device, buffer_index, upsize)
 
 3. Create a NxScope instance and connect:
 
@@ -156,7 +164,7 @@ Just use `DummyDev` class parameters: `chmax`, `flags` and `channels`.
 
 
 Serial port interface
-""""""""""""""""""""""
+"""""""""""""""""""""
 
 You can use `socat` to connect to a simulated NuttX target: