fixup: move text after \recommended to a new line

Co-authored-by: Jan Schultke <[email protected]>

Author: dietmarkuehl

source/exec.tex

@@ -5860,7 +5860,8 @@
 \tcode{allocate_shared<remove_cvref_t<Sch>>(alloc,\brk{} std::forward<Sch>(sch))}.
 
 \pnum
-\recommended Implementations should avoid the use of dynamically
+\recommended
+Implementations should avoid the use of dynamically
 allocated memory for small scheduler objects.
 
 \pnum