diff --git a/source/threads.tex b/source/threads.tex
index 53bec75486..b3a041cf6f 100644
--- a/source/threads.tex
+++ b/source/threads.tex
@@ -11228,7 +11228,7 @@
 \end{note}
 
 \pnum
-The enum values of \tcode{future_errc} are distinct and not zero.
+The enumerator values of \tcode{future_errc} are distinct and not zero.
 
 \rSec2[futures.errors]{Error handling}