diff --git a/source/numerics.tex b/source/numerics.tex
index b0d484c9fa..573e8bbf4b 100644
--- a/source/numerics.tex
+++ b/source/numerics.tex
@@ -3177,7 +3177,7 @@
 
 \pnum
 The generation algorithm returns $Y_i$,
-the value stored in the $i^{th}$ element of $Y$ after applying
+the value stored in the $i^\text{th}$ element of $Y$ after applying
 the transition algorithm.
 
 \pnum