Index: kernel/generic/include/arch.h
===================================================================
--- kernel/generic/include/arch.h	(revision 31198c1215c4e4a979a6f8e80df9c8c170c13886)
+++ kernel/generic/include/arch.h	(revision 40239b9f7eb371244007b25cde720aa2f90f7a41)
@@ -65,4 +65,10 @@
 } the_t;
 
+/*
+ * THE is not an abbreviation, but the English definite article written in
+ * capital letters. It means the current pointer to something, e.g. thread,
+ * processor or address space. Kind reader of this comment shall appreciate
+ * the wit of constructs like THE->thread and similar.
+ */
 #define THE  ((the_t * )(get_stack_base()))