From 51618691b26f8f7bbb9f1c155a1642285812e8c7 Mon Sep 17 00:00:00 2001
From: Jean M <132435771+jeanmon@users.noreply.github.com>
Date: Mon, 8 Jul 2024 13:08:22 +0200
Subject: [PATCH] Update barretenberg/cpp/pil/avm/mem.pil

---
 barretenberg/cpp/pil/avm/mem.pil | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/barretenberg/cpp/pil/avm/mem.pil b/barretenberg/cpp/pil/avm/mem.pil
index 2e7a80d45d61..400723d15299 100644
--- a/barretenberg/cpp/pil/avm/mem.pil
+++ b/barretenberg/cpp/pil/avm/mem.pil
@@ -220,7 +220,7 @@ namespace mem(256);
 
     //====== CALLDATACOPY specific constraints ==================================
     sel_op_cd_cpy * (rw - 1) = 0;
-    sel_op_cd_cpy * (w_in_tag - 6) = 0;
+    sel_op_cd_cpy * (w_in_tag - 6) = 0; // Only write elements of type FF
 
     //====== MOV/CMOV Opcode Tag Constraint =====================================
     // The following constraint ensures that the r_in_tag is set to tag for