diff --git a/cpu/nrf5x_common/doc.txt b/cpu/nrf5x_common/doc.txt
index 41687f4231..0e8117e721 100644
--- a/cpu/nrf5x_common/doc.txt
+++ b/cpu/nrf5x_common/doc.txt
@@ -1,5 +1,5 @@
 /**
- * @defgroup    cpu_nrf5x_common
+ * @defgroup    cpu_nrf5x_common Nordic nRF5x MCU
  * @ingroup     cpu
  * @brief       Common implementations for the nRF5x family of CPUs
  */