diff --git a/crates/issue/src/lib.rs b/crates/issue/src/lib.rs
index fc67ea87d4..6f597baf59 100644
--- a/crates/issue/src/lib.rs
+++ b/crates/issue/src/lib.rs
@@ -305,46 +305,63 @@ impl<T: Config> Pallet<T> {
         T::TreasuryPalletId::get().into_account_truncating()
     }
 
+    // Function to cancel an issue request and slash collateral
     pub fn cancel_issue_request_and_slash_collateral(issue_id: &H256) -> Result<BalanceOf<T>, DispatchError> {
+        // Get the issue request using the provided issue_id
         let issue = Self::get_issue_request_from_id(issue_id)?;
 
+        // Retrieve the amount of griefing collateral from the issue
         let griefing_collateral = issue.griefing_collateral();
 
+        // Transfer griefing collateral from the requester's account to the vault's account
         ext::vault_registry::transfer_funds::<T>(
             CurrencySource::UserGriefing(issue.requester.get_account().clone()),
             CurrencySource::FreeBalance(issue.vault.account_id),
             &griefing_collateral,
         )?;
 
+        // Set the status of the issue request to 'Cancelled'
         Self::set_issue_status(issue_id.clone(), IssueRequestStatus::Cancelled);
 
+        // Emit an event to indicate the cancellation of the issue request
         Self::deposit_event(Event::CancelIssue {
             issue_id: issue_id.clone(),
             requester: issue.requester.get_account().clone(),
             griefing_collateral: griefing_collateral.amount(),
         });
 
+        // Return the amount of griefing collateral that was slashed
         Ok(griefing_collateral.amount())
     }
 
+    // Function to retrieve the vault ID associated with a given issue ID
     pub fn get_vault_from_id_from_issue_id(issue_id: &H256) -> Result<DefaultVaultId<T>, DispatchError> {
+        // Retrieve the issue request using the provided issue_id
         let issue_request = Self::get_issue_request_from_id(issue_id)?;
+
+        // Extract and return the associated vault ID from the issue request
         Ok(issue_request.vault)
     }
 
+    // Function to complete a vault issue process
     pub fn _complete_vault_issue(issue_id: H256) -> Result<(), DispatchError> {
+        // Retrieve the issue request using the provided issue_id
         let issue = Self::get_issue_request_from_id(&issue_id)?;
+
+        // Calculate the total amount including both issue amount and fee
         let total = issue.amount().checked_add(&issue.fee())?;
-        // issue_tokens -> decrease to_be_issued & increase issued for new vault
+
+        // Decrease the to-be-issued tokens and increase the issued tokens for the new vault
         ext::vault_registry::issue_tokens::<T>(&issue.vault, &total)?;
 
-        // distribute rewards
+        // Distribute rewards based on the issue fee
         ext::fee::distribute_rewards::<T>(&issue.fee())?;
 
-        // release griefing collateral
+        // Release the locked griefing collateral to the requester's account
         let griefing_collateral: Amount<T> = issue.griefing_collateral();
         griefing_collateral.unlock_on(&issue.requester.get_account())?;
 
+        // Set the issue status to 'Completed'
         Self::set_issue_status(issue_id, IssueRequestStatus::Completed);
 
         Ok(())
diff --git a/crates/redeem/src/lib.rs b/crates/redeem/src/lib.rs
index c38239927a..93c24f9573 100644
--- a/crates/redeem/src/lib.rs
+++ b/crates/redeem/src/lib.rs
@@ -404,6 +404,20 @@ pub mod pallet {
             Ok(().into())
         }
 
+        /// Request a replace operation for a vault
+        ///
+        /// ## Parameters
+        ///
+        /// - `origin`: The origin from which the request is made, typically the vault owner.
+        /// - `currency_pair`: The trading pair associated with the collateral and backing assets.
+        /// - `amount`: The amount of backed asset to be replaced.
+        /// - `new_vault_id`: The identifier of the new vault that will replace the existing vault.
+        /// - `griefing_currency`: The currency in which a griefing deposit is required for the replace.
+        ///
+        /// ## Returns
+        ///
+        /// If the replace operation is successful, this function returns `Ok`. If the operation fails,
+        /// an appropriate error indicating the reason for failure is returned.
         #[pallet::call_index(7)]
         #[pallet::weight(<T as Config>::WeightInfo::request_replace())]
         #[transactional]
@@ -845,6 +859,8 @@ impl<T: Config> Pallet<T> {
         Ok(())
     }
 
+    // Cancels a redeem request, replaces it with a new issue request, adjusts vault balances, and
+    // updates the system state.
     fn _cancel_replace_request(redeem_id: H256, issue_id: H256) -> DispatchResult {
         let redeem = Self::get_open_redeem_request_from_id(&redeem_id)?;
 
@@ -868,7 +884,7 @@ impl<T: Config> Pallet<T> {
         // cancel issue request and slash collateral
         let slashed_amount = ext::issue::cancel_issue_request_and_slash_collateral::<T>(&issue_id)?;
 
-        // cancel redeem request
+        // Set the status of the redeem request to "Cancelled"
         Self::set_redeem_status(redeem_id, RedeemRequestStatus::Cancelled);
 
         // release event
diff --git a/parachain/runtime/runtime-tests/src/parachain/fee_pool.rs b/parachain/runtime/runtime-tests/src/parachain/fee_pool.rs
index b469586195..4dfb63db32 100644
--- a/parachain/runtime/runtime-tests/src/parachain/fee_pool.rs
+++ b/parachain/runtime/runtime-tests/src/parachain/fee_pool.rs
@@ -1014,9 +1014,7 @@ fn accrued_lend_token_interest_increases_reward_share() {
         }
         activate_lending_and_mint(Token(DOT), LendToken(1));
         let vault_id = PrimitiveVaultId::new(account_of(VAULT), LendToken(1), DEFAULT_WRAPPED_CURRENCY);
-        println!(" \n---- 1 ---- ");
         CoreVaultData::force_to(&vault_id, default_vault_state(&vault_id));
-        println!(" \n---- 2 ---- ");
 
         // Borrow some lend_tokens so interest starts accruing in the market
         let initial_lend_token_stake: u128 = CapacityRewardsPallet::get_stake(&(), &vault_id.collateral_currency()).unwrap();