diff --git a/zip-0032.rst b/zip-0032.rst
index 10392143..df2186a2 100644
--- a/zip-0032.rst
+++ b/zip-0032.rst
@@ -443,7 +443,7 @@ they MAY additionally support a non-hardened :math:`address\_index` path level a
 * :math:`m_\mathsf{Sapling} / purpose' / coin\_type' / account' / address\_index`.
 
 `zcashd` version 4.5.2 and later uses this to derive "legacy" Sapling addresses from a mnemonic seed phrase
-under account :math:`\mathtt{0x7FFFFFFF}`.
+under account :math:`\mathtt{0x7FFFFFFF}`, using hardened derivation for :math:`address\_index`.
 
 Sprout key path
 ---------------