Index: firmware/App/Controllers/Heaters.h
===================================================================
diff -u -r83352606f453107c3ac4636c8da0e8a65b17c723 -r6e22cc1ec54e6e283827b4b30fb02646343c809f
--- firmware/App/Controllers/Heaters.h	(.../Heaters.h)	(revision 83352606f453107c3ac4636c8da0e8a65b17c723)
+++ firmware/App/Controllers/Heaters.h	(.../Heaters.h)	(revision 6e22cc1ec54e6e283827b4b30fb02646343c809f)
@@ -19,6 +19,15 @@
 
 #include "Common.h"
 
+/**
+ *  @defgroup Heaters
+ *  @brief Heaters driver modules.
+ *  Controls the Primary and Trimmer Heaters
+ *
+ *  @addtogroup Heaters
+ *  @{
+ */
+
 void initHeaters ( void );
 
 void setPrimaryHeaterTargetTemperature ( F32 targetTemp );