diff --git a/zip-0032.rst b/zip-0032.rst
index 1ef4580e..d62d6de3 100644
--- a/zip-0032.rst
+++ b/zip-0032.rst
@@ -71,7 +71,7 @@ Most of the notation and functions used in this ZIP are defined in the Sapling p
 
 - PRF\ :sup:`expand`\ (*sk*, *t*) := BLAKE2b-512("Zcash_ExpandSeed", *sk* || *t*)
 
-- ToScalar(*x*) := LEOS2IP(*x*) (mod *r*\ :sub:`J`\ )
+- ToScalar(*x*) := LEOS2IP\ :sub:`512`\ (*x*) (mod *r*\ :sub:`J`\ )
 
 We adapt the path notation of BIP 32 [#bip-0032]_ to describe shielded HD paths, using apostrophes to
 indicate hardened derivation as in BIP 44 [#bip-0044]_: