diff --git a/source/algorithms.tex b/source/algorithms.tex
index 47c254bcce..5218902777 100644
--- a/source/algorithms.tex
+++ b/source/algorithms.tex
@@ -781,9 +781,11 @@
 \indexlibraryglobal{seq}%
 \indexlibraryglobal{par}%
 \indexlibraryglobal{par_unseq}%
+\indexlibraryglobal{unseq}%
 \indexlibrarymember{execution}{seq}%
 \indexlibrarymember{execution}{par}%
 \indexlibrarymember{execution}{par_unseq}%
+\indexlibrarymember{execution}{unseq}%
 \begin{itemdecl}
 inline constexpr execution::sequenced_policy            execution::seq{ @\unspec@ };
 inline constexpr execution::parallel_policy             execution::par{ @\unspec@ };