diff --git a/source/utilities.tex b/source/utilities.tex
index e60dda881c..2abe844895 100644
--- a/source/utilities.tex
+++ b/source/utilities.tex
@@ -15381,6 +15381,10 @@
 \end{codeblock}
 
 \indexlibrarymember{what}{bad_function_call}%
+\begin{itemdecl}
+const char* what() const noexcept override;
+\end{itemdecl}
+
 \begin{itemdescr}
 \pnum
 \returns