From 4aaef80ed5e057e63042bd42ca258a3b9491e51d Mon Sep 17 00:00:00 2001
From: Vivek Arte <vivek@qed-it.com>
Date: Tue, 23 Jul 2024 16:21:18 +0530
Subject: [PATCH] performing the rename of psi' to psi^{nf}

---
 zip-0226.html | 4 ++--
 zip-0226.rst  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/zip-0226.html b/zip-0226.html
index 2eaebee0a..a1b8fe8ee 100644
--- a/zip-0226.html
+++ b/zip-0226.html
@@ -293,9 +293,9 @@
                     <li>The Split Input note could be an already spent note containing the same Asset Base (note that by zeroing the value in the circuit, we prevent double spending).</li>
                 </ol>
                 <p>For Split Notes, the nullifier is generated as follows:</p>
-                <div class="math">\(\mathsf{nf_{old}} = \mathsf{Extract}_{\mathbb{P}} ([(\mathsf{PRF^{nfOrchard}_{nk}} (\text{ρ}^{\mathsf{old}}) + \text{ψ}') \bmod q_{\mathbb{P}}]\,\mathcal{K}^\mathsf{Orchard} + \mathsf{cm^{old}} + \mathcal{L}^\mathsf{Orchard})\)</div>
+                <div class="math">\(\mathsf{nf_{old}} = \mathsf{Extract}_{\mathbb{P}} ([(\mathsf{PRF^{nfOrchard}_{nk}} (\text{ρ}^{\mathsf{old}}) + \text{ψ}^{\mathsf{nf}}) \bmod q_{\mathbb{P}}]\,\mathcal{K}^\mathsf{Orchard} + \mathsf{cm^{old}} + \mathcal{L}^\mathsf{Orchard})\)</div>
                 <p>where
-                    <span class="math">\(\text{ψ}'\)</span>
+                    <span class="math">\(\text{ψ}^{\mathsf{nf}}\)</span>
                  is sampled uniformly at random on
                     <span class="math">\(\mathbb{F}_{q_{\mathbb{P}}}\!\)</span>
                 ,
diff --git a/zip-0226.rst b/zip-0226.rst
index 826cf6342..d00e83216 100644
--- a/zip-0226.rst
+++ b/zip-0226.rst
@@ -243,9 +243,9 @@ Wallets and other clients have to choose from the following to ensure the Asset
 
 For Split Notes, the nullifier is generated as follows:
 
-.. math:: \mathsf{nf_{old}} = \mathsf{Extract}_{\mathbb{P}} ([(\mathsf{PRF^{nfOrchard}_{nk}} (\text{ρ}^{\mathsf{old}}) + \text{ψ}') \bmod q_{\mathbb{P}}]\,\mathcal{K}^\mathsf{Orchard} + \mathsf{cm^{old}} + \mathcal{L}^\mathsf{Orchard})
+.. math:: \mathsf{nf_{old}} = \mathsf{Extract}_{\mathbb{P}} ([(\mathsf{PRF^{nfOrchard}_{nk}} (\text{ρ}^{\mathsf{old}}) + \text{ψ}^{\mathsf{nf}}) \bmod q_{\mathbb{P}}]\,\mathcal{K}^\mathsf{Orchard} + \mathsf{cm^{old}} + \mathcal{L}^\mathsf{Orchard})
 
-where :math:`\text{ψ}'` is sampled uniformly at random on :math:`\mathbb{F}_{q_{\mathbb{P}}}\!`, :math:`\mathcal{K}^{\mathsf{Orchard}}` is the Orchard Nullifier Base as defined in [#protocol-commitmentsandnullifiers]_, and :math:`\mathcal{L}^{\mathsf{Orchard}} := \mathsf{GroupHash^{\mathbb{P}}}(\texttt{"z.cash:Orchard"}, \texttt{"L"})\!`.
+where :math:`\text{ψ}^{\mathsf{nf}}` is sampled uniformly at random on :math:`\mathbb{F}_{q_{\mathbb{P}}}\!`, :math:`\mathcal{K}^{\mathsf{Orchard}}` is the Orchard Nullifier Base as defined in [#protocol-commitmentsandnullifiers]_, and :math:`\mathcal{L}^{\mathsf{Orchard}} := \mathsf{GroupHash^{\mathbb{P}}}(\texttt{"z.cash:Orchard"}, \texttt{"L"})\!`.
 
 Rationale for Split Notes
 `````````````````````````