diff --git a/source/ub.tex b/source/ub.tex
index 727ad0dae8..8a339c44aa 100644
--- a/source/ub.tex
+++ b/source/ub.tex
@@ -472,7 +472,7 @@
 int count = 0;
 auto f = [&] { count++; };
 std::thread t1{f}, t2{f}, t3{f};
-// undefined behavior \tcode{t1}, \tcode{t2} and \tcode{t3} have a data race on access of variable \tcode{count}
+// undefined behavior, \tcode{t1}, \tcode{t2} and \tcode{t3} have a data race on access of variable \tcode{count}
 \end{codeblock}
 \end{example}