diff --git a/include/stddef.h b/include/stddef.h
index 3f3f4fe..a87969d 100755
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -19,6 +19,10 @@
 #include <types/size_t.h>
 #include <types/wchar_t.h>
 
+/*
+  I do believe this is straight ripped from musl.
+  -Kat
+*/
 #define offsetof(type, member) (size_t)(&((type *)0->member))
 
 #endif