Index: uspace/lib/c/doc/doxygroups.h
===================================================================
--- uspace/lib/c/doc/doxygroups.h	(revision b1834a01038fc2eeb50637bb5cb48a741a03b9fb)
+++ uspace/lib/c/doc/doxygroups.h	(revision b63f4e8923acb50eeb87d363e82f2908a460b2a9)
@@ -17,4 +17,9 @@
 /**
  * @addtogroup libcarm32 arm32
+ * @ingroup libc
+ */
+
+/**
+ * @addtogroup libcarm64 arm64
  * @ingroup libc
  */