diff --git a/source/containers.tex b/source/containers.tex
index 1c3ceebb44..7eb2e38c26 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -8736,7 +8736,7 @@
 
 \pnum
 \effects
-Inserts n copies of x.
+Inserts \tcode{n} copies of \tcode{x}.
 
 \pnum
 \complexity