diff --git a/format-master.xml b/format-master.xml
index d11babc..e9a51e5 100755
--- a/format-master.xml
+++ b/format-master.xml
@@ -1971,7 +1971,7 @@
 	<!--
 		Generate some number of "sub"s so we can produce, e.g., "subsubsection" for LaTeX.
 		
-		$depth: the number of repetitions (0--2, which maps to 1--3 below due to counting ancestor section elements coming out one more than expected).
+		$depth: the number of repetitions (0 to 2, which maps to 1 to 3 below due to counting ancestor section elements coming out one more than expected).
 	-->
 	<template name="generate-subs">
 		<common formats="/latex/xelatex/">