diff --git a/tools/test_apps/protocols/pppos/README.md b/tools/test_apps/protocols/pppos/README.md
index 6aed00816e..ee208f221d 100644
--- a/tools/test_apps/protocols/pppos/README.md
+++ b/tools/test_apps/protocols/pppos/README.md
@@ -1,3 +1,6 @@
+| Supported Targets | ESP32 | ESP32-S2 |
+| ----------------- | ----- | -------- |
+
 # PPP over Serial test
 
 Testing connection of PPP client (ESP) to PPP server (raspberry pi)