diff --git a/source/classes.tex b/source/classes.tex
index c6bb8eb3f1..bbad2eca06 100644
--- a/source/classes.tex
+++ b/source/classes.tex
@@ -5359,9 +5359,9 @@
 
 Here,
 \tcode{x.i}
-is initialized with 99,
+is initialized with \tcode{99},
 \tcode{x.f}
-is initialized with 88.8, and
+is initialized with \tcode{88.8}, and
 \tcode{complex::complex(double)}
 is called for the initialization of
 \tcode{x.c}.