Apply suggestions from code review

Co-authored-by: Eric Niebler <eniebler@boost.org>

Author: jensmaurer

source/exec.tex

@@ -7065,9 +7065,9 @@
 \tcode{\exposid{SCHED}(s)} be the object
 pointed to by the pointer owned by \tcode{s.\exposid{sch_}}.
 The expression \tcode{get_forward_progress_guarantee(s)} is equivalent to
-\tcode{get_forward_progress_guarantee(SCHED(s))}.
+\tcode{get_forward_progress_guarantee(\exposid{SCHED}(s))}.
 The expression \tcode{get_completion_domain<set_value_t>(s)} is equivalent to
-\tcode{task_scheduler::ts-domain()}.
+\tcode{task_scheduler::\exposid{ts-domain}()}.
 
 \indexlibraryctor{task_scheduler}
 \begin{itemdecl}