diff --git a/lib/gd32/f1x0/flash.c b/lib/gd32/f1x0/flash.c
index ad7cb054..4f222082 100644
--- a/lib/gd32/f1x0/flash.c
+++ b/lib/gd32/f1x0/flash.c
@@ -1,6 +1,6 @@
-/** @defgroup flash_file FLASH
+/** @defgroup flash_file  FLASH peripheral API
  *
- * @ingroup GD32F1x0
+ * @ingroup peripheral_apis
  *
  * @brief <b>libopencm3 GD32F1x0 FLASH</b>
  *
diff --git a/lib/gd32/f1x0/rcc.c b/lib/gd32/f1x0/rcc.c
index c50e2d65..729a71eb 100644
--- a/lib/gd32/f1x0/rcc.c
+++ b/lib/gd32/f1x0/rcc.c
@@ -1,6 +1,6 @@
-/** @defgroup GD32F1x0-rcc-file RCC
+/** @defgroup rcc_file RCC peripheral API
 
-@ingroup GD32F1x0
+@ingroup peripheral_apis
 
 @brief <b>libopencm3 GD32F1x0 Reset and Clock Control</b>