diff --git a/hal/src/main/native/include/hal/AddressableLED.h b/hal/src/main/native/include/hal/AddressableLED.h
index 8e583d54a0..68383ef131 100644
--- a/hal/src/main/native/include/hal/AddressableLED.h
+++ b/hal/src/main/native/include/hal/AddressableLED.h
@@ -12,6 +12,12 @@
 #include "hal/AddressableLEDTypes.h"
 #include "hal/Types.h"
 
+/**
+ * @defgroup hal_addressable Addressable LED Functions
+ * @ingroup hal_capi
+ * @{
+ */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -52,3 +58,4 @@ void HAL_StopAddressableLEDOutput(HAL_AddressableLEDHandle handle,
 #ifdef __cplusplus
 }  // extern "C"
 #endif
+/** @} */
diff --git a/hal/src/main/native/include/hal/DutyCycle.h b/hal/src/main/native/include/hal/DutyCycle.h
index dfe9ed6731..357d8f3bff 100644
--- a/hal/src/main/native/include/hal/DutyCycle.h
+++ b/hal/src/main/native/include/hal/DutyCycle.h
@@ -10,6 +10,12 @@
 #include "hal/AnalogTrigger.h"
 #include "hal/Types.h"
 
+/**
+ * @defgroup hal_dutycycle DutyCycle Functions
+ * @ingroup hal_capi
+ * @{
+ */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -100,3 +106,4 @@ int32_t HAL_GetDutyCycleFPGAIndex(HAL_DutyCycleHandle dutyCycleHandle,
 #ifdef __cplusplus
 }  // extern "C"
 #endif
+/** @} */