diff --git a/source/algorithms.tex b/source/algorithms.tex
index f68441ae72..cc1f9b8ed6 100644
--- a/source/algorithms.tex
+++ b/source/algorithms.tex
@@ -6175,7 +6175,7 @@
 \effects
 Equivalent to:
 \begin{codeblock}
-is_sorted_until(std::forward<ExecutionPolicy>(exec), first, last, comp) == last
+return is_sorted_until(std::forward<ExecutionPolicy>(exec), first, last, comp) == last;
 \end{codeblock}
 \end{itemdescr}