Index: kernel/generic/include/arch.h
===================================================================
--- kernel/generic/include/arch.h	(revision ecbd287d08e56d5b82b3cf4a9278f19f638af5c9)
+++ kernel/generic/include/arch.h	(revision eb239dc81f44cabbda761a1c5ed77357bd72652e)
@@ -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()))