diff --git a/source/containers.tex b/source/containers.tex
index 3d88461657..b4c4622d05 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -25917,7 +25917,7 @@
 \pnum
 \expects
 For each rank index $k$ of \tcode{src},
-\tcode{slices...[k]} is a valid \tcode{submdspan} slice
+\tcode{slices...[$k$]} is a valid \tcode{submdspan} slice
 for the $k^\text{th}$ extent of \tcode{src}.
 
 \pnum