diff --git a/source/exec.tex b/source/exec.tex
index 514398b425..c45c516cf0 100644
--- a/source/exec.tex
+++ b/source/exec.tex
@@ -3099,7 +3099,7 @@
 direct-non-list-initialized with \tcode{c}.
 \item
 Its call pattern is \tcode{d2(c2(arg))},
-where arg is the argument used in a function call expression of \tcode{e}.
+where \tcode{arg} is the argument used in a function call expression of \tcode{e}.
 \end{itemize}
 The expression \tcode{c | d} is well-formed if and only if
 the initializations of the state entities\iref{func.def} of \tcode{e}