diff --git a/source/intro.tex b/source/intro.tex
index e4014b9674..57cf548e99 100644
--- a/source/intro.tex
+++ b/source/intro.tex
@@ -1094,9 +1094,9 @@
 (e.g., \grammarterm{qualified-id}).
 \item \fakegrammarterm{X-seq} is one or more \fakegrammarterm{X}'s without intervening
 delimiters (e.g., \grammarterm{declaration-seq} is a sequence of
-declarations).
+\grammarterm{declaration}s).
 \item \fakegrammarterm{X-list} is one or more \fakegrammarterm{X}'s separated by
 intervening commas (e.g., \grammarterm{identifier-list} is a sequence of
-identifiers separated by commas).
+\grammarterm{identifier}s separated by commas).
 \end{itemize}%
 \indextext{notation!syntax|)}