diff --git a/include/libhal-arm-mcu/interrupt.hpp b/include/libhal-arm-mcu/interrupt.hpp
index b27df4e..490c690 100644
--- a/include/libhal-arm-mcu/interrupt.hpp
+++ b/include/libhal-arm-mcu/interrupt.hpp
@@ -20,6 +20,10 @@
 
 #include <libhal/error.hpp>
 
+/**
+ * @defgroup Enum APIs involving enumerations
+ *
+ */
 namespace hal::cortex_m {
 /// Used specifically for defining an interrupt vector table of addresses.
 using interrupt_pointer = void (*)();