fixup: typo

jensmaurer · jensmaurer · commit 2012dca54138 · 2025-06-24T12:39:06.000+02:00
diff --git a/source/expressions.tex b/source/expressions.tex
@@ -6816,7 +6816,7 @@
 \begin{note}
 This includes \grammarterm{unqualified-id}s
 that name a constant template parameter and
-\grammarterm{pack-index-expressions}.
+\grammarterm{pack-index-expression}s.
 \end{note}
 \end{itemize}
 The \grammarterm{id-expression} of
