-;;; Return the home (i.e. enclosing non-let) lambda for Node. Since the
-;;; LEXENV-LAMBDA may be deleted, we must chain up the LAMBDA-CALL-LEXENV
-;;; thread until we find a lambda that isn't deleted, and then return its home.
+;;; Return the home (i.e. enclosing non-LET) CLAMBDA for NODE. Since
+;;; the LEXENV-LAMBDA may be deleted, we must chain up the
+;;; LAMBDA-CALL-LEXENV thread until we find a CLAMBDA that isn't
+;;; deleted, and then return its home.