diff --git a/x/oracle/keeper/native_token.go b/x/oracle/keeper/native_token.go
index b9a9c67a6..8ae5a6d87 100644
--- a/x/oracle/keeper/native_token.go
+++ b/x/oracle/keeper/native_token.go
@@ -152,7 +152,7 @@ func (k Keeper) GetAllStakerListAssets(ctx sdk.Context) (ret []types.StakerListA
 
 func (k Keeper) UpdateNSTValidatorListForStaker(ctx sdk.Context, assetID, stakerAddr, validatorPubkey string, amount sdkmath.Int) error {
 	if !IsLimitedChangeNST(assetID) {
-		return types.ErrNSTAssetNotSurpported
+		return types.ErrNSTAssetNotSupported
 	}
 	_, decimalInt, err := k.getDecimal(ctx, assetID)
 	if err != nil {
@@ -259,7 +259,7 @@ func (k Keeper) UpdateNSTValidatorListForStaker(ctx sdk.Context, assetID, staker
 // UpdateNSTByBalanceChange updates balance info for staker under native-restaking asset of assetID when its balance changed by slash/refund on the source chain (beacon chain for eth)
 func (k Keeper) UpdateNSTByBalanceChange(ctx sdk.Context, assetID string, rawData []byte, roundID uint64) error {
 	if !IsLimitedChangeNST(assetID) {
-		return types.ErrNSTAssetNotSurpported
+		return types.ErrNSTAssetNotSupported
 	}
 	_, chainID, _ := assetstypes.ParseID(assetID)
 	if len(rawData) < 32 {
@@ -271,7 +271,7 @@ func (k Keeper) UpdateNSTByBalanceChange(ctx sdk.Context, assetID string, rawDat
 	}
 	stakerChanges, err := parseBalanceChangeCapped(rawData, sl)
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to parse balance changes: %w", err)
 	}
 	store := ctx.KVStore(k.storeKey)
 	for _, stakerAddr := range sl.StakerAddrs {
diff --git a/x/oracle/types/errors.go b/x/oracle/types/errors.go
index 5b85f1381..79598e6aa 100644
--- a/x/oracle/types/errors.go
+++ b/x/oracle/types/errors.go
@@ -26,5 +26,5 @@ var (
 	ErrGetPriceAssetNotFound             = sdkerrors.Register(ModuleName, getPriceFailedAssetNotFound, "get price failed for asset not found")
 	ErrGetPriceRoundNotFound             = sdkerrors.Register(ModuleName, getPriceFailedRoundNotFound, "get price failed for round not found")
 	ErrUpdateNativeTokenVirtualPriceFail = sdkerrors.Register(ModuleName, updateNativeTokenVirtualPriceFail, "update native token balance change failed")
-	ErrNSTAssetNotSurpported             = sdkerrors.Register(ModuleName, nstAssetNotSurpported, "nstAsset not supported")
+	ErrNSTAssetNotSupported              = sdkerrors.Register(ModuleName, nstAssetNotSurpported, "nstAsset not supported")
 )