diff --git a/source/lex.tex b/source/lex.tex
index d58678c2d9..c968a62b39 100644
--- a/source/lex.tex
+++ b/source/lex.tex
@@ -1809,7 +1809,9 @@
 are determined by its encoding prefix and sequence of
 \grammarterm{s-char}s or \grammarterm{r-char}s
 as defined by \tref{lex.string.literal}
-where $n$ is the number of encoded code units as described below.
+where $n$ is the number of encoded code units
+that would result from an evaluation of the \grammarterm{string-literal}
+(see below).
 
 \begin{floattable}{String literals}{lex.string.literal}
 {llp{2.6cm}p{2.3cm}p{4.7cm}}