[thread.lock.unique.locking] Fix typo in try_lock_for.

jensmaurer · zygoloid · commit 4d03cd884318 · 2020-01-13T11:42:09.000-08:00
diff --git a/source/threads.tex b/source/threads.tex
@@ -3385,7 +3385,7 @@
 
 \pnum
 \returns
-The value returned by the call to \tcode{try_lock_until(rel_time)}.
+The value returned by the call to \tcode{try_lock_for(rel_time)}.
 
 \pnum
 \ensures
