From 14d296a3c5934147903975fe1dea9426bd6f04db Mon Sep 17 00:00:00 2001
From: krakhit <61501745+krakhit@users.noreply.github.com>
Date: Sun, 3 Nov 2024 15:21:45 +0200
Subject: [PATCH] minor updates

---
 docs/docs/icicle/primitives/hash.md   | 2 +-
 icicle/include/icicle/hash/poseidon.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/docs/icicle/primitives/hash.md b/docs/docs/icicle/primitives/hash.md
index ac7428234..cd64bae8e 100644
--- a/docs/docs/icicle/primitives/hash.md
+++ b/docs/docs/icicle/primitives/hash.md
@@ -136,7 +136,7 @@ eIcicleErr err = keccak256.hash(input.data(), input.size() / config.batch, confi
 
 ### 4. Posidon sponge function
 
-Currently the poseidon sponge function isn't implemented.
+Currently the poseidon sponge function (Sec 2.1 of https://eprint.iacr.org/2019/458.pdf ) isn't implemented.
 
 ### Supported Bindings
 
diff --git a/icicle/include/icicle/hash/poseidon.h b/icicle/include/icicle/hash/poseidon.h
index 2f4b897cb..fcb374905 100644
--- a/icicle/include/icicle/hash/poseidon.h
+++ b/icicle/include/icicle/hash/poseidon.h
@@ -10,6 +10,7 @@ namespace icicle {
    * contexts and use cases. The width parameter (`t`) determines the number of elements in the state,
    * influencing the security level and output structure of the hash. The optional `domain_tag` pointer parameter
    * enables domain separation, allowing isolation of hash outputs across different contexts or applications.
+   * (See here for a detailed explanation: https://hackmd.io/@7dpNYqjKQGeYC7wMlPxHtQ/ByIbpfX9c#SAFE-Sponge-API-for-Field-Elements-–-A-Toolbox-for-ZK-Hash-Applications)
    *
    * @param S Represents the type of the field element used by the hash (e.g., a field element class).
    *