diff --git a/lightclient-circuits/src/committee_update_circuit.rs b/lightclient-circuits/src/committee_update_circuit.rs
index d85f66bc..c7c14dbf 100644
--- a/lightclient-circuits/src/committee_update_circuit.rs
+++ b/lightclient-circuits/src/committee_update_circuit.rs
@@ -63,7 +63,7 @@ impl<S: Spec, F: Field> CommitteeUpdateCircuit<S, F> {
 
         // Finalized header
         let finalized_state_root = args
-            .finalized_header
+            .attested_header
             .state_root
             .as_ref()
             .iter()
@@ -73,11 +73,11 @@ impl<S: Spec, F: Field> CommitteeUpdateCircuit<S, F> {
             builder,
             &sha256_chip,
             [
-                args.finalized_header.slot.into_witness(),
-                args.finalized_header.proposer_index.into_witness(),
-                args.finalized_header.parent_root.as_ref().into_witness(),
+                args.attested_header.slot.into_witness(),
+                args.attested_header.proposer_index.into_witness(),
+                args.attested_header.parent_root.as_ref().into_witness(),
                 finalized_state_root.clone().into(),
-                args.finalized_header.body_root.as_ref().into_witness(),
+                args.attested_header.body_root.as_ref().into_witness(),
             ],
         )?;
 
@@ -180,7 +180,7 @@ impl<S: Spec, F: Field> CommitteeUpdateCircuit<S, F> {
 
         let ssz_root = pk_vector.hash_tree_root().unwrap();
 
-        let finalized_header_root = args.finalized_header.clone().hash_tree_root().unwrap();
+        let finalized_header_root = args.attested_header.clone().hash_tree_root().unwrap();
 
         let instance_vec = iter::once(poseidon_commitment)
             .chain(ssz_root.as_ref().iter().map(|b| bn256::Fr::from(*b as u64)))
@@ -278,7 +278,7 @@ mod tests {
         CommitteeRotationArgs {
             pubkeys_compressed,
             _spec: PhantomData,
-            finalized_header,
+            attested_header: finalized_header,
             sync_committee_branch: committee_root_branch,
         }
     }
diff --git a/lightclient-circuits/src/sync_step_circuit.rs b/lightclient-circuits/src/sync_step_circuit.rs
index 8b5e5041..5ec6f26a 100644
--- a/lightclient-circuits/src/sync_step_circuit.rs
+++ b/lightclient-circuits/src/sync_step_circuit.rs
@@ -428,9 +428,7 @@ mod tests {
     use ark_std::{end_timer, start_timer};
     use eth_types::Testnet;
     use halo2_base::{
-        halo2_proofs::dev::MockProver,
-        halo2_proofs::{halo2curves::bn256::Fr, poly::commitment::Params},
-        utils::fs::gen_srs,
+        halo2_proofs::dev::MockProver, halo2_proofs::halo2curves::bn256::Fr, utils::fs::gen_srs,
     };
     use snark_verifier_sdk::{
         evm::{evm_verify, gen_evm_proof_shplonk},
diff --git a/lightclient-circuits/src/witness/rotation.rs b/lightclient-circuits/src/witness/rotation.rs
index 89c8d0d2..a171d1cc 100644
--- a/lightclient-circuits/src/witness/rotation.rs
+++ b/lightclient-circuits/src/witness/rotation.rs
@@ -9,7 +9,9 @@ use std::{iter, marker::PhantomData};
 pub struct CommitteeRotationArgs<S: Spec> {
     pub pubkeys_compressed: Vec<Vec<u8>>,
 
-    pub finalized_header: BeaconBlockHeader,
+    // Attested header that containts the state root with new sync committee.
+    // This header going to become finilized in the adjacent step proof (that is submited along with this one in Spectre.sol::rotate).
+    pub attested_header: BeaconBlockHeader,
 
     pub sync_committee_branch: Vec<Vec<u8>>,
 
@@ -57,7 +59,7 @@ impl<S: Spec> Default for CommitteeRotationArgs<S> {
                 .take(S::SYNC_COMMITTEE_SIZE)
                 .collect_vec(),
             sync_committee_branch,
-            finalized_header: BeaconBlockHeader {
+            attested_header: BeaconBlockHeader {
                 state_root: state_root.as_slice().try_into().unwrap(),
                 ..Default::default()
             },
diff --git a/preprocessor/src/rotation.rs b/preprocessor/src/rotation.rs
index 82458d3b..58f7dfb2 100644
--- a/preprocessor/src/rotation.rs
+++ b/preprocessor/src/rotation.rs
@@ -89,7 +89,7 @@ where
 
     let args = CommitteeRotationArgs::<S> {
         pubkeys_compressed,
-        finalized_header: update.attested_header.beacon.clone(),
+        attested_header: update.attested_header.beacon.clone(),
         sync_committee_branch: sync_committee_branch
             .into_iter()
             .map(|n| n.to_vec())
@@ -120,7 +120,7 @@ pub async fn read_rotation_args<S: Spec>(path: String) -> eyre::Result<Committee
 
     Ok(CommitteeRotationArgs::<S> {
         pubkeys_compressed,
-        finalized_header,
+        attested_header: finalized_header,
         sync_committee_branch: committee_root_branch,
         _spec: PhantomData,
     })