diff --git a/tools/test_build_system/kconfig_test_app/README.md b/tools/test_build_system/kconfig_test_app/README.md
index bf647248934..55f7877f4b7 100644
--- a/tools/test_build_system/kconfig_test_app/README.md
+++ b/tools/test_build_system/kconfig_test_app/README.md
@@ -1,3 +1,6 @@
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-H21 | ESP32-H4 | ESP32-P4 | ESP32-S2 | ESP32-S3 | ESP32-S31 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | --------- | -------- | -------- | -------- | -------- | --------- |
+
 Information about this test app can be found [here](../README.md#application-under-test).
 
 This is a 1:1 copy of build_test_app, but with a malformed KConfig.projbuild file.