diff --git a/boards/common/esp32x/doc.txt b/boards/common/esp32x/doc.txt
index 66c6d33599..875728f9f4 100644
--- a/boards/common/esp32x/doc.txt
+++ b/boards/common/esp32x/doc.txt
@@ -8,9 +8,10 @@
 
 /**
  * @defgroup    boards_common_esp32x  ESP32x Common
+ * @ingroup     boards_common
  * @brief       Definitions and configurations that are common for
- *              all ESP32 boards.
+ *              all ESP32x boards.
  *
- * For detailed information about the ESP32, configuring and compiling RIOT
- * for ESP32 boards, please refer \ref esp32_riot.
+ * For detailed information about ESP32x SoCs, configuring and compiling RIOT
+ * for ESP32x boards, please refer \ref esp32_riot.
  */