diff --git a/source/expressions.tex b/source/expressions.tex
index 280decc68f..3a5ff4f7d9 100644
--- a/source/expressions.tex
+++ b/source/expressions.tex
@@ -4874,7 +4874,7 @@
 \indextext{\idxcode{co_await}}%
 
 \pnum
-The \keyword{co_await} expression is used to suspend evaluation of a
+The \keyword{co_await} expression is used to \defnx{suspend}{suspend a coroutine} evaluation of a
 coroutine\iref{dcl.fct.def.coroutine} while awaiting completion of
 the computation represented by the operand expression.
 Suspending the evaluation of a coroutine