diff --git a/source/utilities.tex b/source/utilities.tex
index abfdbabe88..c89bdcc2e4 100644
--- a/source/utilities.tex
+++ b/source/utilities.tex
@@ -15405,8 +15405,7 @@
 // The following examples assume use of the UTF-8 encoding
 string s4 = format("[{:?}]", string("\0 \n \t \x02 \x1b", 9));
                                                     // \tcode{s4} has value: \tcode{["\textbackslash u\{0\} \textbackslash n \textbackslash t \textbackslash u\{2\} \textbackslash u\{1b\}"]}
-string s5 = format("[{:?}]", "\xc3\x28");           // invalid UTF-8
-                                                    // \tcode{s5} has value: \tcode{["\textbackslash x\{c3\}\textbackslash x\{28\}"]}
+string s5 = format("[{:?}]", "\xc3\x28");           // invalid UTF-8, \tcode{s5} has value: \tcode{["\textbackslash x\{c3\}("]}
 \end{codeblock}
 \end{example}